keep afloat: 使漂浮不沉，使流通
I was sure the "beauty" could not keep afloat for a long time.
我斷定這艘“美人號”不會浮在水面上太久了。
In the seven months after the bankruptcy filing of g. m., which taxpayer dollars helped keep afloat, various law firms and other advisers received nearly$ 90 million.
在通用汽車申請破產(chǎn)保護(hù)后7個月內(nèi)，通用靠納稅人的錢來維持，不同的律師事務(wù)所和其他顧問收取了將近9千萬美元。

out of line: 出格，過分
China's counter-attack on poultry and auto parts is not out of line.
中國就肉雞和汽車零部件發(fā)起反擊并不是出格之舉。
He can get pretty tough if he thinks anyone is out of line.
如果他認(rèn)為什么人太過分了，他會變得非常強(qiáng)硬。

be sick of: 對…厭倦
Play can make one fresh and cheerful so that one may not be sick of his work.
玩耍能使一個人精力充沛，心情愉快，使人不至于厭倦工作。

stand up for: 堅(jiān)持，支持
Meanwhile, america needs to stand up for pakistan's democratic leaders, who are on its side.
同時，美國也必須支持巴基斯坦民主派領(lǐng)導(dǎo)人，因?yàn)樗麄冋驹诎蛙姺揭贿叀?br />Psychiatrist leo kanner used to stand up for parents.
精神病專家leo kanner過去一直站在家長這邊。