Knuckle
[ ['nʌkəl] ]
第5级
其它 Other
n. 指节, 蹄爪, 膝关节\\nv. 以指节打, 以手指射
✅ 同义词
📖 牛津释义
knuckle
n
1 bone at the finger-joint 指节; 指关节
graze/skin one's knuckles 擦破指关节. =>illus at hand 见hand插图.
2 (of animals) knee-joint, or the part joining the leg to the foot, esp as a joint of meat （指动物）膝关节, 踝; （尤指食用的）肘: pig's knuckles 猪肘.
3 (idm 习语) a rap on/over the knuckles => rap1.near the `knuckle (infml 口) on the borderline of indecency and therefore likely to offend 近乎下流; 猥亵
Some of his jokes are a bit too near the knuckle for my taste. 我觉得他有的笑话已近乎淫亵了. knuckle, v (phr v) knuckle down (to sth) (infml 口) begin to work seriously (at sth) 开始认真工作
If you want to pass that exam, you'll have to knuckle down (to some hard work). 你要想考试及格, 就得开始下功夫（苦干）了. knuckle under (infml 口) accept or admit defeat; surrender 屈服; 认输; 投降.
🏥 医学释义
①指节，关节 ②万能接头
🗣️ 情景例句
Especially when Alexandra gave me a surprise ...
特别是Alexandra给了我一个惊喜……
Be slow in choosing a friend; slower in changing.
选择朋友要审慎，摒弃更要审又慎。
Most countries use these satellites to send and receive messages.
大多数国家利用这些卫星发送和接收消息。