come in handy : 유용하다
ex) A laptop is come in handy in many ways.
down in the dumps : 슬픈, 우울한
ex) She's a bit down in the dumps because she's got to take her exams again.
down the drain : 노력이 수포로 돌아가다
ex) If the factory closes, that will be a million pounds' worth of investment down the drain.
have a ball : 즐거운 시간을 보내다
ex) So how was the party last night? Oh, we had a ball!!
have a hunch : ~ 예감이 들다
ex)I had a hunch that you'd be here.
have a big mouth : 입이 사다
ex) He has such a big mouth.
have an ear for : 소질이 있다
ex) She's never had much of an ear for languages.
check out : 확인하다, 보다, 검토하다
ex) We'll need to check out his story.
cross one's mind : 생각이 떠오르다
ex) It never once crossed my mind that she might be unhappy.