八成

bāchéng

adverb HSK 7-9 #42,600

Meanings

HSK 1

这件事八成是真的。

Zhè jiàn shì bāchéng shì zhēn de.

This is most likely true.

HSK 1

他八成不会来了。

Tā bāchéng búhuì lái le.

He probably isn't coming.

HSK 5

工程已经完成了八成。

Gōngchéng yǐjīng wánchéng le bāchéng.

The project is already eighty percent done.

memory

成 is a tenth, so 八成 is eight tenths, eighty percent. The everyday "probably" sense grew straight out of that: eight chances in ten.

八 bā

成 chéng