n.減速；慢化；延遲

Slow up a bit, or you'll make yourself ill. 別這麼賣力氣，不然你要累出病來(lái)的。

You should slow up a bit and have a rest. 你得減少一點(diǎn)工作，休息一下了。

Slow up while the car is over the bridge. 汽車過(guò)橋時(shí)要放慢速度。

He had to slow up so the others could follow. 他不得不放慢腳步好讓其他人跟上。

Business slows up at the stores after Christmas. 過(guò)了圣誕節(jié)商店里就不那么忙了。