tread upon eggs 和have egg on one's face

问题描述:

tread upon eggs 和have egg on one's face

tread upon eggs 审慎的提出一个供讨论的题目;如履薄冰‘战战兢兢
have egg on one's face 受羞辱;丢脸
break the egg in sb's pocket 打破某人的计划
go lay an egg 别管闲事
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