feel awkward 作难；为难
It may make you and the others feel awkward or comfortable.
它可能会让你和其他人感到尴尬或者舒适。

flip out 精神失常，发疯
They're gonna flip out.
他们会气疯的.
Hannah knew her mom would flip out if she didn't get home on time.
汉娜知道如果她不准时回家的话，妈妈会气疯的。

In case 万一
Bring your own soap, shampoo and towel just in case.
为了以防万一，可以带上你自己的肥皂、洗发剂和毛巾。

big talk 大话
Don't say the big talk which does not have the fact foundation.
不要说没有事实根据的大话。
No one likes his big talk.
人人都讨厌他的吹牛。