the tail of the eye 眼角

look with the tail of the eye 斜眼偷看

tread on one's own tail 害人反害己

 The wind tailed off in the evening. 風在傍晚時分漸漸停息了。
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His character is tainted by self-seeking. 他的性格只有圖己利的缺憾。

It takes two to make a quarrel. 一個銅錢拍不響。一個人吵不起架來。
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