Meaning of huī:
灰
ash; dust; lime
Huǒzāi guòhòu, dìshàng mǎn shì huī.
火灾过后,地上满是灰。
After the fire, the ground was covered with ash.
Fángjiān de jiājù shàng jīmǎnle hòu hòu de huī.
房间的家具上积满了厚厚的灰。
The furniture in the room was covered with a thick layer of dust.
Zhè dǔ qiáng shì yòng huī jiāng qì chéng de.
这堵墙是用灰浆砌成的。
This wall is built with lime mortar.
gray; discouraged; dejected
Tiānkōng biànchéngle huīsè.
天空变成了灰色。
The sky turned gray.
Tā shòudào dǎjí hòu gǎndào hěn huī.
他受到打击后感到很灰。
He felt very discouraged after the setback.