Expressing not knowing how to do something using "hao"
"不知道⋯⋯好" (bù zhīdào... hǎo) is an expression used to indicate and emphasize that the speaker does not know how to do something, or at least does not know how to do something well.
Structure
Subject + 不知道 + Verb Phrase + 好
You will sometimes see the adverb 才 preceding the final 好, which serves the purpose of emphasis.
Examples
- 他 不 知道 怎么 选择 好。I don't know how to choose well.
- 我 不 知道 怎么 说 好。I don't know how to speak well.
- 当时，我 真的 不 知道 怎么 办 才 好。At that time, I didn't really know what to do.
See also
- Expressing lateness with "cai"
- Expressing Difficulty with "hao (bu) rongyi"
- Result complement "-hao"
Sources and further reading
