Do not fiddle with objects such as jewellery , your hair or pens – this signifies nervousness.
不要乱动饰品, 头发或者是笔之类的东西,这往往是紧张的表现.
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We need an experienced player who can fiddle away for hours for the country dancing.
我们需要一位有经验的、能够为乡村舞蹈连续拉好几个小时的小提琴手.
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But fiddle with a single gene, and suddenly the animals are much livelier during daylight hours.
但只要改变老鼠的某一种基因, 这种小动物的“生物钟”就会掉转过来:白天比黑夜更有活力.
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