地道英语表达｜DOWN meaning lower的4个动词短语

Jake: Well, did he come down on the price?

Sarah: I knocked him down by $100 but he wouldn’t go any lower?

Jake: Oh, so that’s why you slammed the catalogue down when you finished?

Sarah: No, that was because I was distracted by the music and annoy. Why didn’t you turn the volume down? I could hardly hear a word he was saying!

come down

（价格或水平）下降，降低

House prices have come down recently.房价近来降了。

Inflation is coming down.通货膨胀率在下降。

knock sb/sth down

降价；说服（某人）降价；杀（某人的）价

She wanted $200 but I knocked her down to $175.她开价200美元，我还到175美元。 

slam down

砰地把某个东西放下

I got angry and slammed down the phone. 我很生气，砰地挂断了电话

The teacher slammed a book down to get the students' attention.老师砰地把书放下，来引起学生的注意。

turn down

调低，调小

I asked him to turn down the heating.我叫他把暖气关小一点。