词典释义：
a sharp twist or curve in something that is otherwise straight
弯曲
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a kink in the road .道路上的急弯。
〈喻〉 （计划、行动等的）缺陷；障碍
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though the system is making some headway, there are still some kinks to iron out .虽然该系统正取得一定进展，但仍有一些障碍需要克服。
〈喻〉 （性格或行为的）怪癖。
〈非正式〉性变态。
〈非正式〉 性偏好反常的人，性变态者。
〈北美〉 颈部痉挛。
form or cause to form a sharp twist or curve
（使）形成弯曲
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[no obj.]
the river kinks violently in a right angle 河水以直角猛烈地转弯
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[with obj.]
when the spine gets kinked, the muscles react with pain .脊柱被弯曲时，肌肉会作出疼痛反应。
"late 17th cent.: from Middle Low German