头头是道 tóutóu-shìdào clear and logical
How to remember 头头是道: 头 head + 是 is + 道 way = clear and logical.
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How it is used
- Idiom: clear and logical, well-reasoned - 说得头头是道 (shuō de tóutóu-shìdào) argue every point coherently.
- Praises someone laying out a case methodically and convincingly; sometimes with a hint that talk may outrun action. Written and spoken.