tí xǐng bǎo jié shí shuō qīng nǎ gè xǐ shǒu jiān nǎ gè mén kǒu nǎ gè xǐ shǒu tái

提醒保洁时，说清哪个洗手间、哪个门口、哪个洗手台。

When reminding the cleaner, specify which restroom, which doorway, and which sink.