彼は観察が鋭いがとても無口だ。
tbd
His observation is sharp, but he says very little.
His observations are sharp, but he doesn't say much.
他观察入微，但沉默寡言。
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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
は
1. indicates sentence topic
2. indicates contrast with another option (stated or unstated)
3. adds emphasis
指示句子的主题；表示与另一选项（无论是否明确提及）形成对比；表示强调
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...
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