hang off . let go放开
Don't hang off the rope，or you will fall down．不要放开绳子，否则你就要摔倒。
hang on . continue listening on a telephone继续听电话；不要挂断
Please hang on a second；I'll look for the manager and tell him you are on the phone for him．请稍等片刻，不要挂掉，我去找经理并告诉他你在电话里等他。
hang on . lean or support oneself upon倚；靠
Her head hanging on her mother's arm，the girl fell asleep．这女孩倚在她妈妈怀里，睡着了。
hang on . persevere；continue doing something 坚持；坚忍；继续做
It is a hard task，but if you hang on，you will succeed in the end．任务虽然艰巨，但如果你坚持下去，你最终是会成功的。
hang on . cling to；hold on to something tightly抓住；握紧
The climber almost fell off the cliff，but managed to hang on until help came．登山者差点掉下悬崖，但他设法抓住崖边直到有人救他。
hang on . depend on；wait on 取决于；依赖于；有待于
Everything hangs on his decision．一切取决于他的决定。
It all hangs on whether he is willing to cooperate with us．一切都取决于他是否愿意和我们合作。
hang on . listen with fascination听得着迷；注意听
The students hung on his every word．学生们全神贯注地听着他的每一句话。
Everyone was hanging on his answer，but he kept silent．大家都在注意听他怎么回答，但他却一直不吭声。
hang on . continue to sound；continue to cause suffering继续响着；继续存在（疾病）
The concert had come to an end，but the strains of music seemed to hang on in our ears．音乐会已经结束，但乐曲声似乎仍在我们耳边回荡。
My cold has hung on for weeks，I just can't shake it off．我感冒已经好几个星期，就是好不了。
hang on to . hold tightly 牢牢抓住
It was so windy that I had to hang on to my hat all the way along the street．风太大，在街上我得一直牢牢抓住我的帽子。
Hang on to my hand，while we cross the street．过街时要紧紧抓住我的手。
hang on to . rely on依靠
The only thing I can hang on to is none other than my own brain and hands．我唯一能依靠的只有我自己的头脑和手。
Her son's death depressed her so much that she thought nothing was left for her to hang on to．她儿子的死使她十分地伤心，以致于她认为没有什么是她可以依靠的了。
hang on to . retain possession of留住；保留
You'd better hang on to those shares；they'll be going up again soon．你最好留下那些股票，它们很快又会看涨的。
hang out . lean out伸出身体
The dog lay in the shade with his tongue hanging out；it was so hot．那条狗趴在阴凉处伸着舌头，因为天气太热。
hang out . fasten，spread，or show something out of a building挂出门（窗）外
People hang flags out on the national holiday．国庆日，人们把旗子挂在门外。
hang out . endure；not give in；be unyielding忍受；坚持；不屈服
The besieged soldiers had to hang out for four days without supplies．被围困的战士们不得不在断绝给养的情况下坚持了四天。
The striking workers hung out for more money before resuming work．罢工的工人坚持要提高工资才复工。
hang out . last（of supplies，resources，）维持；延续（供应、资源等）
Our food will hang out for two days．我们的食品能维持两天。
hang out . live；reside居住；生活
Where are you hanging out these days? 这日子你住在哪儿?
hang out . spend one's time idly鬼混；闲荡
The teacher criticized Bill for hanging out in a bar．老师批评比尔在酒吧鬼混。
If you continue to hang out with that group of bad boys，you'll fail in your exams．如果你继续和那群坏孩子鬼混，你考试会不及格的。
hang over . be going to happen；threaten笼罩；威胁
Trouble hangs over the little town because its only factory has closed down．这个小镇陷入困境之中，因为它唯一的工厂已经关闭。
Danger hung over his head as he spoke．他说话时，危难正降临到他头上。
hang over . continue继续
I expect the situation to hang over till next week．我希望这种局面会继续到下周。
hang over . remain to be finished or settled搁下来有待解决
We'll take up the business that hung over from last meeting．我们将讨论上次会上遗留下来的问题。
The court decided to let the suit hang over till its next session．法庭决定把这个讼诉案留到下次开庭时解决。
hang to . take hold of抓牢
The bus is turning the corner．Please hang to the straphanger．公共汽车要转弯了，请抓住吊带站稳。
hang to . keep persistent contact with与…保持接触
The hound hung to the trail of the fox．猎犬紧紧追踪那只狐狸。
hang together . stay united；help and defend one another团结一致；互相帮助
If we all hang together we are sure to succeed in our plan．如果我们都团结一致，我们的计划一定能成功。
We always hang together when one of us is in trouble．我们当中无论谁有困难，大家都团结一致，互相帮助。
hang together . form a satisfactory whole；be consistent编得前后一致；没有破绽；合乎逻辑
His story of why he was absent from seems to hang together．他没来上课的理由似乎还合乎逻辑。
His argument was a good one and hung together．他的论据很好，逻辑性强。
These two assertions do not seem to hang together．这两种说法似乎互相矛盾。