| 单词 | to knock against sb |
| 释义 | 1.(with knuckles)敲；击 He knocked before going in.他进去前先敲了敲门。 2.to knock against sb/sth (collide)与…冲突；碰撞 He deliberately knocked against her as he left the room.他离开房间时故意撞了她一下。 It was the door knocking against the latch.那是门碰门闩的声音。 3.engine +发出轰隆声 His old truck, knocking and smoking, pulled out of sight.他的旧卡车, 轰隆轰隆冒着烟, 驶出了视线。 4.pipe, radiator +发出噪声 The floorboards squeaked and the pipes knocked.地板吱吱响, 管道也噪声不断。 5.bearing +(尤指引擎的轴承)发出声音 See knock |
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