彼は観察が鋭いがとても無口だ。
tbd
His observation is sharp, but he says very little.
他观察入微，但沉默寡言。
His observations are sharp, but he doesn't say much.
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観察， かんさつ
1. observation, survey, watching
观察
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鋭い， するどい
1. sharp (knife, claws, etc.), pointed
2. sharp (pain, tone, etc.), acute, stabbing, cutting (remark, criticism, etc.), stinging, biting, fierce (attack), pointed (question, look, etc.), piercing (gaze), shrill (sound)
3. keen (intuition, sense of sm...
锋利的（刀、爪等），尖锐的；锐利（疼痛、音调等）、尖锐、刺痛、锋利（言论、批评等）、刺痛、咬人、猛烈（攻击）、尖锐（问题、眼神等）、刺穿（目光）、尖锐（声音）；敏锐（直觉、嗅觉等），敏锐，锐利（眼光、思维等），精明，机敏，有见地，洞察力强（见解、问题等），善于察言观色
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とても， とっても， 迚も
1. very, awfully, exceedingly
2. (not) at all, by no means, simply (cannot)
非常
が
1. indicates the subject of a sentence
2. indicates possession
3. but, however, (and) yet, though, although, while
4. and
5. used after an introductory remark or explanation
6. regardless of ..., whether ... (or not), no matter ...
7. indicates a des...
tbd