to remove liquid from something, making it empty or dry
We need to drain the water from the pool to clean it.
我们需要把游泳池里的水排干以便清洁。
to let liquid flow out of something
The color drained from his face when he heard the bad news.
当他听到坏消息时,脸色变得苍白。
to drink all the liquid in a cup or glass
He drained his coffee quickly before leaving.
他在离开前快速喝完了咖啡。
to use up someone's energy, money, or resources
The long meeting drained my energy completely.
漫长的会议完全耗尽了我的精力。
a pipe that carries away dirty water or waste
The kitchen drain was clogged with food scraps.
厨房的下水道被食物残渣堵塞了。
a metal cover over a drain opening
The drain in the street was covered with a heavy grate.
街道上的排水口被一个沉重的格栅盖着。
the hole where water flows out in a sink or bathtub
Water goes down the drain when you pull the plug.
当你拔掉塞子时,水就会流进下水道。
something that uses a lot of time, money, or resources
The expensive project became a drain on the company's budget.
这个昂贵的项目成为了公司预算的沉重负担。
the loss or waste of resources or people
The brain drain of skilled workers to other countries is a problem.
熟练工人向其他国家流失的人才外流是一个问题。