water down

掺水, 冲淡

例句与用法：

The teacher had to water down the course for a slow-learning class.

教师不得不降低课程的要求以迁就慢班的学生。

You have to water down the medicine before drinking it.

你得把这种药加水稀释後再服用。

That is the only way to water down its influence.

这是冲淡它的影响的唯一办法。

详细释义：

在……中搀水

The whisky has been watered down.

这威士忌被搀水了。