do something that is helpful (or unhelpful) for someone
做有利（或有损）某人的事
not know what to do; be completely at a loss
不知该怎么办；彻底地迷惘
(proverb)if someone does you a favour, you should take the chance to repay it
(谚)施惠者应受惠；好心应有好报
at a turning point; in a state of change
处于转折点；正在转变
my luck is on the turn.
我开始转运了。
speak in a tactless or foolish way
冒失或傻乎乎地说
(of two or more people) do something alternately or in succession
轮流，依次
(chiefly Brit.)one after another; in succession
(主英)轮流地；依次
the two men were working in rotation, turn and turn about.
这两个人轮流上班。
the two men were working in rotation, turn and turn about.
这两个人轮流上班。
pass round a corner into another street
转过拐角到另一条街
pass the critical point and start to improve
渡过危机，情况好转