knocked twice

USAGE SUMMARY

The phrase "knocked twice" is correct and usable in written English.
You can use it to describe the action of someone hitting a door or surface two times, typically to gain attention or signal their presence. Example: "She stood at the door and knocked twice, waiting for a response from inside."

✓ Grammatically correct

News & Media

Academia

Wiki

Human-verified examples from authoritative sources

Exact Expressions

3 human-written examples

The doorbell hadn't roused him, and Miss Brehany's decision was that she had no option but to wake him since she had knocked twice and still he hadn't heard.

The New Yorker

Luckily for me opportunity knocked twice, Marios and I ended up going out the following weekend and things have been wonderful ever since.

Huffington Post

What we are talking about here is the condition Johnny Ryan calls "the infinity wipe," aka the brown crayon, aka that thing where it takes you almost an entire roll of toilet paper to get the shit off your ass and your girlfriend has already knocked twice and you are alternating between pleading with your asshole to give up the goods and squeezing your fists white in fury.

Vice

Human-verified similar examples from authoritative sources

Similar Expressions

57 human-written examples

The PR has already had to knock twice.

The Guardian

When we reached the door of the howitzer camp, he had to knock twice.

The New Yorker

Every morning, the Sealtest milkman would knock twice on the door and come in.

The New York Times

However, in rare cases, Pileated Woodpeckers may randomly knock twice in a row while tapping on wood to look for food.

Cornell University

Those were the days when gay punters had to "knock twice and ask for Dorothy", Scott says.

The Guardian

"The idea is that the teacher could, in theory, just knock twice on their phone," one team member said.

The New Yorker

I can't be the only person hiding in the lounge, hoping they'll get the message fast and move on (some don't, and knock twice: awkward).

The Guardian - Lifestyle

"Allow me to assure you, that's the last time you're going to have to knock twice to get into St.

The New York Times

Expert writing Tips

Best practice

Use "knocked twice" to add a sense of urgency or polite persistence to a narrative.

Common error

Avoid using "knocked twice" when a more general term like "knocked" suffices. Over-specifying can make the writing sound unnatural if the number of knocks isn't significant.

Linguistic Context

The phrase "knocked twice" functions primarily as a verbal phrase indicating a specific action. It describes the act of knocking repeated exactly two times, providing a detail about how the knocking was performed. Ludwig's examples showcase this function in various narrative contexts.

Expression frequency: Uncommon

Frequent in

News & Media

75%

Academia

12%

Wiki

13%

Less common in

Formal & Business

0%

Science

0%

Encyclopedias

0%

Ludwig's WRAP-UP

In summary, "knocked twice" is a grammatically sound phrase used to describe the specific action of hitting a surface two times, typically to gain attention or signal presence. Ludwig AI confirms its correct usage. While not exceedingly common, it appears across various contexts, predominantly in News & Media. When writing, using it when the specific number of knocks adds relevant detail, as alternatives like "tapped two times" or "rapped twice" may offer subtle variations in meaning. Be mindful of over-specifying if the number of knocks is insignificant to the narrative.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

tapped two times

Replaces "knocked" with "tapped" and uses "two times" instead of "twice", focusing on a lighter sound.

rapped twice

Substitutes "knocked" with "rapped", suggesting a sharper, quicker sound.

double knock

Uses a noun phrase to describe the action, emphasizing the occurrence of two knocks.

sounded two knocks

Replaces "knocked" with "sounded two knocks", highlighting the auditory aspect of the action.

gave two knocks

Emphasizes the act of producing the knocks, focusing on the agent performing the action.

hit the door twice

Focuses specifically on hitting a door and repeats the action two times.

drummed two times

Describes a drumming action done twice on a surface. Highlights repetitive hit.

two strikes

Uses 'strike' as a synonym for 'knock' or 'hit' implying aggression or a violent action. Shorter and more direct.

applied two blows

Describes a forceful action done twice, similar to hammering, which emphasizes power.

pounded twice

Specifies that the action of pounding or hitting hard was repeated the twice. Emphasizes forceful action.

FAQs

How do I use "knocked twice" in a sentence?

You can use "knocked twice" to describe someone hitting a door or surface two times. For example: "She "knocked twice", then waited for an answer".

What are some alternatives to "knocked twice"?

Alternatives include "tapped two times", "rapped twice", or "double knock", depending on the desired nuance.

Is it more formal to say "knocked two times" instead of "knocked twice"?

"Knocked twice" is generally more concise and commonly used in both formal and informal contexts. "Knocked two times" isn't wrong, but it can sound slightly less natural.

When should I specify the number of knocks?

Specify the number of knocks when it's important for the narrative or instruction, such as in a coded signal or when emphasizing persistence. Otherwise, simply saying "knocked" may be sufficient.