Off and on—(alsoon and off)—sometimes, not regularly تھوڑی تھوڑی دیر بعد، بے قاعدگی سے
It rained off and on all day.
On the eve of—just before somethingکے موقع پر
He looked sad on the eve of his departure.
On the whole—overall, in generalمجموعی طور پر
On the whole, the show was well worth the money.
Once and for all—completely and finallyحتمی طور پر
The Supreme Court has decided the matter once and for all.
Once in a blue moon—very rarely شاذ و نادر
He comes to see us only once in a blue moon.
Out-and-out—complete; thoroughمکمل، سراسر
He is an out-and-out fraud.
Out at elbows—very poor بہت غریب
After losing his job, he was out at elbows for several months.
Out of sorts—slightly ill, upset, or annoyedعلیل، پریشان یا ناراض
She seems rather out of sorts today.
Over head and ears—completely, deeply مکمل طور پر، بال بال
He is over head and ears in debt.