to (cause to) move easily and without interruption over a surface

When I was little I used to like sliding on the polished floor in my socks. 小时候我喜欢穿着短袜在光亮的地板上滑行。

We have one of those doors in the kitchen that slides open. 我们厨房的门中有一扇装的是那种滑动开关的。

He slid the letter into his pocket while no one was looking. 趁没人看见，他把信塞进了口袋。

sliding doors 推拉门，滑门

to go into a worse state, often through lack of control or care

The dollar slid against other major currencies. 美元对其他主要货币的比价下滑。

Car exports slid by 40 percent this year. 今年汽车的出口下滑了40%。

He was improving for a while, but I think he's sliding back into his old habits. 他有一段时间确实在进步，可我担心他正在故态复萌。

I was doing really well with my diet, but I've let it slide (= not tried so hard) recently. 以前我在节食方面做得的确不错，但最近恐怕有些松懈。

a sudden movement of a large mass of mud (= wet earth) or rock down a hill

a mud/rock slide 土泥流／岩崩

See also: landslide (FALLING EARTH)

a structure for children to play on which has a slope for them to slide down and usually a set of steps leading up to the slope

a part that moves easily backwards and forwards on an instrument or machine

the slide on a trombone 长号上的 U 型伸缩拉管

the process of moving into a worse state, often through lack of control or care

The government must take measures, he said, to halt the country's slide into recession. 他说，政府必须采取措施阻止国家陷入经济衰退。

a small piece of photographic film in a frame that, when light is passed through it, shows a larger image on a screen or plain surface

colour slides 彩色幻灯片

a small piece of glass on which you put something in order to look at it through a microscope