入室

rù shì zhī qián xiān qiāo mén

入室之前先敲门。

Knock at the door before entering the room.

shuǐ guǎn dǔ sè dǎo zhì pái chū qù de shuǐ dào guàn rù shì

水管堵塞导致排出去的水倒灌入室。

Clogged pipes caused drain water to back up into the room.

rù shì dì zǐ

入室弟子

pupil who has learned much from the master