kink
noun [ C ] uk/kɪŋk/ us/kɪŋk/
(TWIST)
（绳线、管道等直线物体上的）扭结，绞缠，弯
an unwanted twist or bend in a wire, rope, pipe, etc. that is usually straight
There was a kink in the pipe. 管道里肯定有什么地方扭结了。
US（尤指颈、背部的）肌肉抽筋，痛性痉挛
a sore muscle, especially in the neck or back
(PROBLEM)
缺陷
something that is wrong
Pete still needs to iron out a few kinks in his game. 皮特在比赛中有几个毛病仍需改正。
(HABIT)
怪癖
a strange habit