... to lose your nerve：惊慌失措；失去勇气；变得胆怯 to strain every nerve：竭尽全力；拼命 to nerve yourself to do sth：鼓足勇气去做某事 ...
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strain every nerve to do 竭尽全力做某事
We must strain every nerve to live in accordance with the bestinus.
我们必须尽力按我们内在最好的那部分去生活。
Though his voice showed no strain, he could be seen rising on the balls of his feet in recital, using every sinew and nerve to produce the sound.
（译注：意为“邪恶之眼”）。 尽管他的声音没有显出起伏，但在朗诵的时候，经常会看到他踮着脚，用每块肌肉和神经来发声。
Though his voice showed no strain, he could be seen rising on the balls of his feet in recital, using every sinew and nerve to produce the sound.
虽然他的声音并未显得紧张，但是能看到他在演唱会上rising on the balls of his feet，用尽体力和精力去唱出声音。
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