Opportunistic; speculative; see the wind turned at the helm
例句
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The leaves were caught up by a sudden gust of wind.
突然一阵风把树叶吹起。
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I was taken in by the salesman—the car turned out to be uneconomical and unreliable.
推销员欺骗了我——那辆汽车结果既不经济又不牢靠。
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Fire-engines turned out as soon as the fire broke out.
一起火,消防车立刻就赶到。
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Fran slipped the catch on the door, then turned to say good-bye.
弗兰拉开门闩，然后转身说“再见”。
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In the previous darts competition Mike beat me two-one, but I turned the tables on him today by winning all three games.
在上一次的飞镖比赛中, 迈克以二比一战胜了我, 但是今天我反败为胜, 全部三局都赢了。
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She played badly in the first set, but then she turned the tables on her opponent and won the match.
第一局她打得很糟, 可是后来她扭转局势赢了这场比赛。
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He has been in jail several times, but recently he seems to have turned over a new leaf.
他坐过几次牢, 但近来似乎已改过自新。
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There is something in the wind.
好像有什么事要发生。
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Changes in top management of the company had been in the wind for weeks.
公司高层管理人员的人事变动已进行了好几个星期。
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He took a dictionary to hold down the test papers for fear that they might be blown away by the wind.
他拿了本词典压住试卷, 以防被风吹走。