at it

at it  {adj. phr.}
занятый (поглощённый) каким-л. делом; работающий над чем-л.; активный.
His rule for success was to keep always at it.
The couple who owned the little cleaning shop were at it early and late.
Mr. Curtis heard a loud crash in the next apartment — the neighbors were at it again.
Категории: success {adj. phr.}