hé​yǐ

why

何以 hé​yǐ
why adverb
for what reason; why

Since the facts are as they are, why don't you believe it?

how adverb
by what means; in what way

How can you prove this banknote is not a counterfeit?

Frequency

Movie subtitles
0.980 per million appears in 0% of films
Written text
16.9 per million

Sources

Definitions
CC-CEDICT