1. Hit somebody a hard blow 狠狠地打某人

She hit him a hard blow.
她狠狠地打了他一拳。

2. hit the road 出发、离开

You had better hit the road if you want to be there before it's dark.
如果我想天黑前到那儿,你最好现在就出发。

Everything is set now. Let's hit the road.
都准备好了,我们出发吧!

3. hit the spot 使人满意,正合需要(原意是射中靶心,射中者对自己的射击技术非常满意。现在,hit the spot通常是指食物或饮品尤其令人满意。)

Pepsi Cola hits the spot, 12 full ounces, that's a lot.
百事可乐真棒,满满12盎司,好多哦。

My mother is very good at cooking. Her dishes always hit the spot.
我妈妈厨艺很精湛,她做的菜可好吃了~!

4. hit bottom 到了最低点

If the price of shares of a stock hits bottom, that might be the time to buy it. Its value can only go up.
如果股票价格见底,就是时候买进了。这时候股票价格只会往上涨了。

5. hit the books 看书,学习

The final examination is coming. I have to hit the books.
期末考试就快来了,我得学习了。

6. hit the ceiling 勃然大怒

Girls tend to hit the ceiling when their boyfriends keep staring straightly at other birds.
当女孩儿们的男朋友直勾勾地老盯着其他美妞看的时候,她们很容易就勃然大怒。

A wife may hit the ceiling because her husband forgot their wedding anniversary.
妻子可能会因为丈夫忘了他们的结婚纪念日而勃然大怒。

7. hit the nail on the head 说得中肯,一针见血;解释正确

His remarks always hit the nail on the head.
他的评论总是一针见血。

Your analysis really hit the nail on the head.
你的分析确实一针见血。

8. hit the hay 上床睡觉

Toutou, it's time for you to hit the hay.
头头,该去睡觉了。