重点讲解：
1. grow up
长大成人；成熟；
eg. But eventually, kids grow up and become teens.
但是，孩子终归会成长并步入青少年时期。
eg. I need time to grow up.
我需要时间变得更成熟。
2. touchy-feely
煽情的；矫情的；肉麻的；
eg. Palin adopted a touchy-feely tone during the hour long interview.
在长达一小时的采访中，佩林表现地颇为煽情。
eg. The self-help workshop was very touchy-feely, and made me feel uncomfortable.
这种自助研讨会太过情感化，让我觉得不自在。
3. give up
投降；认输；放弃；
eg. After a fruitless morning sitting at his desk he had given up.
他在书桌前徒劳地坐了一上午之后便放弃了。
eg. But some mountaineers do not give up.
但是一些登山家并没有放弃。
