[ kěn; kèn ] 动词 1.(一点一点儿地往下咬) bite; gnaw; nibble 短语和例子 啃老玉米 nibble at an ear of corn; 把骨头上的肉啃下来 bite meat off the bone; gnaw the meat off a bone; 老鼠能啃穿木头。 a rat can gnaw a hole through wood. 他在啃苹果。 he was nibbling on the apple.2.(徒劳无益的钻研) take great pains with one's studies 短语和例子 啃书本 delve into books; read with great difficulty but with little understanding; make laborious efforts to read