1、正好
...out of turn 未按照正当的次序或顺序地;不合时宜地，轻率地to a turn 正好;恰好turn a blind eye 熟视无睹：拒绝正视，装作没看见 ...
2、恰好
...out of turn 未按照正当的次序或顺序地;不合时宜地，轻率地to a turn 正好;恰好turn a blind eye 熟视无睹：拒绝正视，装作没看见 ...
3、刚好
...the turn of the tide形势的转变to a turn刚好, 恰到好处 精确地, 尽善尽美to the turn of a hair极其精确, 惟妙惟肖 ...
4、恰到好处
恰到好处 be just perfect; be to the point; to a turn; just right; just right for the purpose; (all was arranged) to a nicety恰到好处的软件 good-enough software .