1. 皮卡；轻型货车
A pick-up or a pick-up truck is a small truck with low sides that can be easily loaded and unloaded.

2. （贸易或经济的）好转，改善
A pick-up in trade or in a country's economy is an improvement in it.

e.g. ...a pick-up in the housing market...
房地产市场的回暖
e.g. The economy remains deep in recession with few signs of a pick-up.
经济仍深陷衰退之中，几乎没有好转的迹象。

3. 接人；取走物品；提货
A pick-up takes place when someone picks up a person or thing that is waiting to be collected.

e.g. The company had pick-up points in most cities...
这家公司在大部分城市都有提货点。
e.g. Trains will operate from Waterloo with a pick-up stop at Ashford.
火车从滑铁卢站出发，途中会在阿什福德站停靠上人。

4. （以发生性关系为目的的）搭识，搭讪
When a pick-up takes place, someone talks to a person in a friendly way in the hope of having a casual sexual relationship with them.

e.g. They had come to the world's most famous pick-up joint.
他们已来到了世界上最著名的调情场所。