The phrase "constant annoyance" is correct and usable in written English.
It can be used to describe something or someone that consistently causes irritation or displeasure.
Example: "The constant annoyance of the construction noise made it difficult for her to concentrate on her work."
Alternatives: "persistent irritation" or "ongoing nuisance."
The condition of the streets was a constant annoyance.
This sort of coverage is a constant annoyance.
It termed the restrictions on copying and moving content a "constant annoyance", for readers.
That is a constant annoyance for someone who spends a lot of time in hotels".
Another symptom is constant annoyance with the demands being made of them, even though these are reasonable for the business they're in, he said.
"It's a tendonitis problem, it's a constant annoyance.
Its morality is rigid and circumscribed; the details of each member's personal life are hedged about with constant annoyances, and everyone's life is open to the prying eyes of others who are unfailingly quick to judge, with or without evidence.
"Lott's a political technician, not a visionary," says William Kristol, the publisher of the conservative Weekly Standard, which has become a constant source of annoyance to the Republican leaders, criticizing them as clueless, passive, and jittery.
It is a constant source of annoyance — and sometimes offense — that French people of North African descent are frequently asked, "Where are you from?" when they often have parents born in France.
"Are they in danger?" "Ours is a story of constant discomfort, of annoyance that knows no end," the spirit proclaims in a voice meant to carry over the crackle of back-yard terra-cotta fire pits and the chewing of Caprese-salad skewers.
The shrine, where war criminals are honoured along with ordinary soldiers, is a constant source of annoyance among Japan's neighbours, who see it as a symbol of Japanese militarism.Early results from the presidential vote in Afghanistan suggested that Abdullah Abdullah, a former foreign minister, was in the lead, ahead of Ashraf Ghani, a former minister of finance.
