not turn a hair
英 [nɔt tə:n ə hɛə] 美 [nɑt tɚn e hɛr]

v.

不动声色；镇定自若；

双语例句

用作形容词(adj.)

1. A vague air of mystery envelops them.
   然后他在不动声色地离开。
2. He is good at delivering jokes in a deadpan way.
   他很擅长不动声色的讲笑话。

权威例句

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Cross-strand side-chain interactions versus turn conformation in beta-hairpins.
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