The phrase "act slowly" is correct and usable in written English.
You can use it when advising someone to take their time or to proceed with caution in a particular situation.
Example: "In this delicate matter, it's important to act slowly and consider all options before making a decision."
Alternatives: "proceed gradually" or "move at a leisurely pace".
The enemy families act slowly and stupidly.
"He was motivated by the belief that if you act quickly you have more impact, and save more lives, than if you act slowly," said Curtis R. Welling, who succeeded Mr. Macauley as chief executive of AmeriCares in 2002.
The time that an antiseptic takes to act depends to some extent on its concentration, but the speed at which different antiseptics kill bacteria varies considerably; thus, the halogens (e.g., iodine and chlorine salts) act quickly, whereas mercurials, compounds of heavy metals, and dyes act slowly.
That we're in the midst of a massive population explosion, a credit crisis, there's climate chaos, poverty, unprecedented loss of species, loss of open wild space, resource depletion and growing dead zones and yet we still act slowly, if at all.
The Founders did a neat job of designing checks and balances, making as certain as they could that the federal government would act slowly, after due deliberation, reflecting the settled will of the people.
However, these drugs act slowly (Present et al. 1980) and they are limited by potentially important adverse events, with 10 20% of patients being intolerant of them.
He acts slowly, is suspicious of everyone except his family.
Jazz acts slowly took over the lineup, and in 1957 the club took on an all-jazz format.
The Japanese government acted slowly in the immediate aftermath of the disaster, and the initial stages of rebuilding were not handled very well.
He acts slowly, giving room to others, encourages collective responses and shows none of the macho posturing that Prof Rose believes got us into this Brexit mess.
But short of that, Mr Volker worries that other countries see within Team Obama "a creeping willingness to let things go .A senior former defence official says that Mr Obama acted slowly in sending reinforcements to NATO members, and would do so again.
