hang on
1．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。
2．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。
3．persevere；continue doing sth．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。
4．cling to；hold on to sth．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。
5．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。
6．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。
7．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。