Chinese phrase
今天我喂〜，你换水，好吗？ jīn tiān wǒ wèi 〜 nǐ huàn shuǐ hǎo ma
Meaning
I'll feed ___ today. Will you change the water?
When to use it
One person feeds today and asks another to change the water. The final question makes the request sound polite and cooperative, often when people share a household task.
Example dialogue
今天我喂鱼，你换水，好吗？ jīn tiān wǒ wèi yú nǐ huàn shuǐ hǎo ma
Today I'll feed the fish, and you change the water, okay?
好啊，我马上去换。 hǎo a wǒ mǎ shàng qù huàn
Okay, I'll go change it now.