1.case n. 情况，状况；案件；论据；箱，盒
in case 惟恐，万一，说不定，以防，以免(for fear that)
例句：1.Wind your clock in case you get up Iate．
2.The night Joe had to bury money in case the police caught him.
3.Let's take our suits along in case the sun comes out.
in any case 无论如何（对照同义习语in any event）
例句：In any case it's nothing to glory in. Why look for trouble by asking a lot of questions?
2.dinner n. 晚餐
go out for dinner 出去吃饭 同义习语有：eat out, dine out等。
例句：1. It's up to Joe whether we go out for a fish dinner or stay home and cook tonight.
2.Caroline, let's go out for dinner tonight．
3.fed vi. 喂
fed up with 厌倦(tired of. sick of)
A:What's the matter with you?
B:Oh, nothing special. I'm just a bit fed up with my work.
4.good adj. 好的，优秀的
in a good mood 心情好(feel happy)
例句：1.Bill certainly has been in a good mood Iately．
2.Frank is certainly in a good mood．
do some good 对…有好处，会有用
A:You don't believe in diets, do you?
B:There is nothing wrong with them per se but thay have to combine with exercise to do any good.
5.jump vi．1．跳跃2．猛涨，激增 vt．跃进，越过 n．1．跳跃2.猛涨，激增
jump to conclusion 贸然断定；过旱地下结论(to decide too quickly or without thinking or finding out the facts)
例句：1.heard loud cheers from our side and jumped to the conclusion that we have won the baseball game．
2.Think before you leap. Don't jump to a conclusion．
jump to it 赶紧，赶快
例句：Jump to it．Our train is ready for boarding in no time．
6.so long as 只要 ( with the only condition of; only if; as long as)
例句：We have to learn so long as our Iife continues.