conk

v (phr v) conk out (infml 口) (a) (of a machine) stop working （指机器）停止运转, 失灵: The car conked out at the crossroads. 汽车在十字路口抛锚了. (b) (of people) become exhausted and stop; fall asleep, faint or die （指人）筋疲力尽而停止, 入睡, 昏迷, 死去: Grandad usually conks out (ie sleeps) for an hour or so after lunch. 爷爷吃过午饭往往要睡一个小时左右.

conical, conifer, coniferous, conjectural, conjecture, conjoin, conjoint, conjointly, conjugal, conjugally, conjugate, conjugation, conjunction, conjunctive, conjunctivitis, conjuncture, conjuration, conjure, conjurer (also conjuror), conjuring, conker, connect, connect with, connecting rod, connection, connection (Brit also connexion), connective, connexion, conning-tower, connivance, connive, conniving, connoisseur, connotation, connotative, connote, connubial, conquer, conqueror, conquest,