keen interest 浓厚兴趣
keen observer 敏锐的观察者
keen sense 敏锐感觉
keen on 喜爱；热衷于
keening voice 哀哭的声音
1. She keens over the loss with deep sadness.
她因失去而悲痛哀哭。
2. The students have keens about learning new skills.
学生们对学习新技能有强烈兴趣。
3. The community heard traditional keens during the ceremony.
社区在仪式中听到了传统的哀哭声。
A: What sounds did people hear during the ceremony?
A：人们在仪式中听到了什么声音？
B: They heard traditional keens from the participants.
B：他们听到了参与者发出的传统哀哭声。
1) keen 的复数形式，表示多个敏锐或热切的状态
2) keen 动词的第三人称单数形式，表示哀哭或悲叹
3) 常见于文学、文化和正式语境
1. 热切的；强烈的（keen 的复数相关形式）。
e.g. Their keens for knowledge helped them succeed.
他们对知识的热切追求帮助他们取得成功。
2. 哀哭声；悲叹声（keen 的复数形式）。
e.g. The keens could be heard during the traditional ceremony.
传统仪式中可以听到哀哭声。
noun / verb form
1. Plural form of keen: expressions of strong feeling or traditional cries of mourning.
2. Third person singular form of keen: to cry or lament loudly.
Synonym: cries, laments, mourns