English-Tips(1)

Arm
A shot in the arm:对人有益的东西
To give one's right arm:愿意做出极大牺牲得到某物
To keep someone at arm's length:同某人保持一段距离;避免与某人接近
To stand by with folded arms:袖手旁观;无动于衷
To welcome someone with open arms:热烈的欢迎

Back
To back a house:把钱押在赛马上;赌钱
To back down:让步;放弃
To back out:收回;变卦;停止;不干
To back someone or something:给...以支持
To be on one's back:生病躺在床上
To break one's back:工作等把人压得喘不过气
To do something behind someone's back:背着干欺骗勾当
To have one's back to the wall:努力克服巨大困难
To put(get;set)someone's back up:使人发怒
To see the back of someone/something:摆脱恼人的人或事
To turn one's back on:转过脸去不理睬;放弃;不帮忙

 Sample Text
When pigs fly.决不可能
get in someone's hair 烦扰了某人
hit the ceiling  非常生气
knock someone's socks off 使惊奇
bite the bullet 勇敢
drive someone up a wall惹你讨厌的人

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