give in (AGREE) phrasal verb: to finally agree to what someone wants, after refusing for a period of time:

He nagged me so much for a new bike that eventually I gave in.

The government cannot be seen to give in to terrorists' demands.

give in (ADMIT DEFEAT) phrasal verb: to accept that you have been defeated and agree to stop competing or fighting:

You'll never guess the answer - do you give in?

She wouldn't give in until she received a full apology.

give up (sth) phrasal verb: to stop doing sth. before you have completed it, usually because it is too difficult:

[+ ing form of verb] I've given up trying to help her.

give sth up (NOT DO) phrasal verb: to stop doing a regular activity or job:

[+ ing form of verb] He's given up driving since his illness.

We're going to give up our sports club membership after this year.

If only I could give up sweets!

give sth away (FREE) phrasal verb: to give sth. to someone without asking for payment:

The shop is giving away a sample pack to every customer.

Nobody wants this type of heater anymore - I can't even give it away!

He is so kind as to give away a large amount of money to the poor.

give sth away (SECRET) phrasal verb: to tell people sth. secret, often without intending to:

The party was meant to be a surprise, but Sharon gave it away.

I won't give the game (= the information or plan) away.

　Don't trust him. He is sure to give away your secret.

give sb away phrasal verb: to show someone's secret feelings:

She thinks no one knows how much she likes him, but her face when I said he'd be there really gave her away!

give sth off phrasal verb: to produce heat, light, a smell or a gas:

That tiny radiator doesn't give off much heat.

The wild flowers around the hill give off a nice smile.

give常用短语：

give away vt. 1.送掉，赠送；2. 泄露（秘密）；3. 丢掉或错失（良机）；

give back vt. 1. 归还，恢复I remember having given back the money to you.

　　　　　2. 反射（光线、声音）

give in vi. 1.屈服于，投降于（感情、压力、请求）

give in to sb./sth. 向某人/某事屈服 2. vt. 提出

give off vt. 放出（光、烟、气味等），散发

give over vt. 交付，托付 He left giving the suspect over to the police to me.

give...over to 把...交给

give up 1. vt. 戒除（习惯等），放弃（尝试，想法）

give up+n./doing 2. vi.认输，投降，放弃

give sb. up 放弃（病人等），对某人放弃希望