啃kěn? ? （一點一點兒地往下咬） bite; gnaw; nibble: ～ 老玉米 nibble at an ear of corn; 把骨頭上的肉 ～ 下來 bite meat off the bone; gnaw the meat off a bone; 老鼠能 ～ 穿木頭。 A rat can gnaw a hole through wood. 他在 ～ 蘋果。 He nibbled on the apple.
? （徒勞無益的鉆研） take great pains with one's studies: ～ 書本 delve into books; read with great difficulty but with little understanding; make laborious efforts to read
◆啃骨頭 gnaw a bone; pick out the residual meat on the bones with teeth; 啃硬骨頭 crack a hard nut |