keen
形容词比较级
keener
形容词最高级
keenest
1
热衷的, 热情的
having a strong enthusiasm, desire, or excitement for something or someone
- She was keen to dive into the new book series, devouring each novel with gusto.
她热切地想要投入到新书系列中，津津有味地阅读每一本小说。
- He has a keen interest in learning about different cultures.
他对学习不同文化有着浓厚的兴趣。
- He wasn’t too keen on attending the party, so he stayed in.
他对参加派对不太热衷，所以他呆在家里。
- They were keen to explore the newly discovered hiking trail, excited by the adventure ahead.
他们渴望探索新发现的远足小径，对即将到来的冒险感到兴奋。
- He's pretty keen on a girl in his class and always tries to talk to her.
他对班上的一个女孩相当热衷，总是试图和她说话。
2
敏锐的, 聪明的
having the ability to learn or understand quickly
- The keen student quickly understood the complex mathematical problem.
敏锐的学生很快理解了复杂的数学问题。
- The keen scientist eagerly absorbed new research findings in their field.
敏锐的科学家热切地吸收了其领域的新研究发现。
- With a keen mind for languages, he became fluent in Spanish after just a few months of study.
凭借对语言的敏锐头脑，他仅学习几个月后就流利掌握了西班牙语。
- The keen apprentice absorbed the techniques of the trade with remarkable speed.
敏锐的学徒以惊人的速度吸收了这门手艺的技巧。
4
敏锐的, 高度发达的
(of senses) sharp and highly-developed
- Dogs have a keen sense of smell.
狗有敏锐的嗅觉。
- His keen eyesight allowed him to spot the bird from far away.
他敏锐的视力让他从远处就发现了那只鸟。
- The detective relied on his keen instincts to solve the case.
侦探依靠他敏锐的直觉破案。
- Owls are known for their keen vision at night.
猫头鹰以夜间敏锐的视力而闻名。
- The hunter's keen senses made him successful in tracking prey.
猎人敏锐的感官使他在追踪猎物时非常成功。
5
锋利的, 锐利的
possessing a finely honed or sharply pointed edge capable of cutting or piercing with ease
- The chef's keen knife sliced through the tomato effortlessly.
厨师的锋利刀子轻松地切开了番茄。
- He carried a keen blade that gleamed in the sunlight.
他带着一把在阳光下闪闪发光的锋利刀刃。
- The arrow's keen tip was designed to penetrate armor.
箭的锋利尖端被设计用来穿透盔甲。
- A keen edge on the chisel made woodworking much smoother.
凿子上的锋利刃口使木工活更加顺畅。
- The hunter inspected the keen spearhead before setting out.
猎人在出发前检查了锋利的矛头。
6
剧烈的, 尖锐的
causing or characterized by an intense, sharp, and often piercing sensation of physical or emotional pain, as if inflicted by a cutting edge
- He felt a keen pain in his side after the sudden movement.
在突然移动后，他感到侧身一阵剧烈的疼痛。
- The news brought a keen sorrow that lingered for days.
这个消息带来了尖锐的悲伤，持续了数日。
- A keen ache shot through her ankle when she tried to stand.
当她试图站起来时，一阵剧烈的疼痛穿过她的脚踝。
- The betrayal left him with a keen sense of loss.
背叛给他留下了强烈的失落感。
- She winced at the keen sting of the icy wind on her face.
她因冰冷的风在脸上尖锐的刺痛而畏缩。