have blue blood 名门出身 = was born with silver spoon in sb's mouth 含着银勺子出生的She has blue blood. 她出身名门。He was born with silver spoon in his month. 他含着金钥匙出生的。be two-faced 两面派

She is two-faced. 她是一个两面派。

a barrel of laughs 开心果

He wants to be a barrel of laughts in the crowed. 他想成为人群中的开心果。

steal the show 大出风头;抢尽风头

She stole the show with a song. 用一首歌，她出尽风头。

leave a bad taste in sb's mouth 留下不愉快的记忆; 留下不好的印象

He left a bad taste in the interviewer's mouth. 他给面试官留下了不好的印象

the last/fianl straw = the straw that breaks the camel's back 忍无可忍; 最后一根稻草This is the last straw. You're fired. 忍无可忍了，你被炒了。It was the last straw that broke the camel's back. 这是压垮骆驼脊梁的最后一根稻草。a let-down == let sb down 失望It's a real let-down that he lost the game. 真令人失望，他输掉了比赛。I won't let you down. 我不会让你失望的There's not enough room to swing a cat. 连转身的余地都没有Her home is quite small; there is not enough room to swing a cat. 她的家非常小，转个身的空间都没有。