Yes, and learning new words like this can be done through memorisation.

是的，学习像这样的新单词可以通过记忆来完成。

The few minutes before you switch off the light is a fantastic time for memorisation.

关灯前的几分钟是记忆的好时机。

Also, a study tip: when you're making your own examples of these expressions, it really helps with memorisation if your example is funny, scary, or emotional in some way.

另外，一个学习窍门：当你自己用这些词造句的时候，如果你造的句子是好笑的、恐怖的或有感染力的，那么这真的有助于记忆。