EJDict
ライセンス: CC0 (Public Domain)
日本語WordNet
having or demonstrating ability to recognize or draw fine distinctions; "an acute observer of politics and politicians"; "incisive comments"; "icy knifelike reasoning"; "as sharp and incisive as the stroke of a fang"; "penetrating insight"; "frequent penetrative observations"
intense or sharp; "suffered exquisite pain"; "felt exquisite pleasure"
very good; "he did a bully job"; "a neat sports car"; "had a great time at the party"; "you look simply smashing"
JMdict
AIによる解説
Sharp or acute (of a blade, sense, or mind); enthusiastic or eager; intense or strong (of competition or interest); having a fine edge or point.
ライセンス: KeyLang Original
The moon influences tides profoundly, and astronomers exhibit keen interest in studying its geological composition thoroughly.
月は潮汐に深く影響を与え、天文学者はその地質学的組成を徹底的に研究することに強い関心を示している。
Lardner's wit and keen observation made his stories classics of American literature.
ラードナーの機知と鋭い観察力が彼の物語をアメリカ文学の名作にした。
Keen-sighted investors identified the opportunity early.
目ざとい投資家たちは早い段階でその機会を見出しました。
Pronunciation data from ipa-dict (MIT License) based on cmudict-ipa by @lingz