turn/set/put one's hand to
从事
A:Is Jack still staying idle everyday?
A:杰克现在还是整天无所事事吗?
B:No, he has mended his way. After his father died, he set his hand to the job of putting his business affairs in order.
B:不,他已经改过自新了。自从他的父亲死后,他着手整顿他的生意,使之走上了正轨。
A:Really? He's so competent now!
A:真的吗?他现在这么能干了!
B:You can't imagine what he is like now.
B:你无法想象他现在的样子。