rat有变节者;鼠;卑鄙的人;捕鼠;背叛;偷窃等意思，那么你知道rat的用法吗?下面跟着小编一起来学习一下，希望对大家的学习有所帮助!

rat的用法：

rat的用法1：rat用作名词时意思是“鼠”,转化为动词意为“捕鼠”,引申可表示“背叛”“告发”“食言”。

rat的用法2：rat只用作不及物动词,在口语中常与介词on连用。

rat的用法3：rat的过去式和过去分词均为ratted。

rat的常用短语：

rat on (v.+prep.)

背叛,告发; 食言 betray or inform on (sb); go back on (sth)

rat on sb/sth

rat的用法例句：

1. If I don't send a picture, he will smell a rat.

如果我不寄出照片，他将有所察觉。

2. They were accused of encouraging children to rat on their parents.

他们被指控唆使儿童告发自己的父母。

3. The brown rat has prominent ears and a long scaly tail.

那只棕鼠两只耳朵向前支着，一条长尾巴布满鳞片。

4. Captain Hardnose certainly ran that rat over the hill.

哈得诺思上尉当然要求那个告密者离职了.

5. The lab assistant injected the rat with the new drug.

实验室助手给老鼠注射了那种新药.

6. He was wet all over like a drowned rat.

他浑身湿得像只落汤鸡.

7. But you promised to help us, you rat!

可是你答应过要帮我的忙, 你这言而无信的小人!

8. I glimpsed a rat running past.

我看到一只老鼠跑过去了.

9. Rat - fleas communicate a disease to man.

鼠蚤会把疾病传染给人.

10. A rat can gnaw a hole through wood.

老鼠能啃穿木头.

11. Suddenly there came a rat - a - tat on the door.

突然传来了一阵梆梆的敲门声.

12. The dog nosed out a rat.

那只狗闻到一只老鼠的气味.

13. The dog is worrying the rat.

那只狗在撕咬老鼠.

14. Though Lloyd George's behaviour seemed curious, Haig still did not smell arat.

尽管劳埃德·乔治的行为古怪，黑格仍然没有任何怀疑。

15. What did you do with the gun you took from that little rat Turner?

你是怎么处理从那个叫特纳的小叛徒手里得到的枪的?