hang in the balance 　未见分晓 
例句： After the surgery, the patient became very sick and her life hung in the balance for nearly a week. 
手术后，那个病人非常虚弱，将近一个星期他的生命在垂危中。 

hang-up　 （情感上的）障碍, 大难题 
例句： Mary has a real hang-up about cats and doesn't like to be in the same room with them. 
玛丽对猫有一种摆脱不掉的厌烦，因此不愿意和猫在同一个房间。 

high and dry 　被抛弃的，处于痛苦之中的 
例句： George took all the money away and left his companions high and dry，with nothing to buy the tickets. 
乔治带走了所有的钱，把他的同事抛弃了，连买车票的钱也没有。 

high and low 　到处 
例句： I looked high and low for my pen，but I couldn't find it anywhere. 
我到处找我的钢笔，但我怎么也找不到它。 

hit upon　 偶然想出 
例句： He crouched there for a long time before he hit upon a plan to defeat his antagonist. 
他蹲在那里很长一段时间后，突然想出了一个挫败他对手的计划。 


in a bind　 窘迫 
例句： when he asked me to marry him, I felt in a bind. 
当他向我求婚时， 我感到很窘迫。 

in the dog　house　 窘迫，陷入困境 
例句： The whole team was in the doghouse because they lost the game. 
由于输掉了比赛，整队都陷入困境。 

in luck　 幸运 
例句： Mary dropped her glasses and they did not break, so she was in luck. 
玛丽的眼镜掉在地上而没有摔坏，所以她是幸运的。 

ins and outs　 错综复杂事物的因果 
例句： After careful investigation, he got to know the ins and outs of the accident. 
经过仔细的调查，他终于弄清了事件的前因后果。 

It's in God's hands 　听天由命 
例句： It's in God's hands and we have prepared for the worst. 
听天由命吧， 我们已经做最坏的准备了。 


Lay stress on / upon 　着重，重视 
例句： In his speech Mr. Brown laid stress on the sagacity of cats. 
布朗先生在他的讲座里强调了猫的灵性。 

let sleeping dogs lie 　莫惹是非 
例句： Don't tell the teacher what you have done. Let sleeping dogs lie. 
不要告诉老师你做了什么。莫惹是非。 

lose one's temper　 发脾气 
例句： he lost his temper when he broke the key in the lock. 
他把钥匙弄断在锁里了，就发起了脾气。 


make ends meet 　使收支平衡 
例句： I have to take two part-time jobs at the same time to make ends meet. 
为了收支平衡， 我不得不同时作两份兼职。 

make use of 　使用，利用 
例句： He will make use of all the odds and ends. 
他会利用所有这一切零碎东西。 

monkey business 　胡闹 
例句： he told the boys to quit their monkey business, or he would call a teacher. 
他告诉那些男孩子不要再胡闹，不然他就叫老师。