If you hold your fingers over your lips or clench your jaws when you practice speaking American English you will find yourself much closer to native speakers.

当你练习说美国英语的时候，如果你用两个手指压住你的上下嘴唇，或者握紧你的下巴，你将会发现你的发音会十分接近美国本土人士的发音了。

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If you hold your fingers over your lips or clench your jaws when you practice speaking American English, you will find yourself much closer to native speakers.

当你练习说美国英语的时候，如果你用两个手指压住你的上下嘴唇，或者握紧你的下巴，你将会发现你的发音会十分接近美国本土人士的发音了。

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The next time you're faced with a choice that takes self-control, clench your fist or firm that bicep.

下次当你面临需要自我控制的选择时，握紧你的拳头或收紧你的二头肌。

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Or just clench your jaw and hang on with white knuckles in terrified silence.

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By contrast, people who are defensive or angry may protectively fold their arms across their chest, clench their hands into a fist or tightly grip their arm or wrist.

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This action was to clench either their right or their left hand into a fist.

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