knocking
/'nɔkiŋ/
📖 中文释义
- [机] 爆震内燃机
🧩 词形变化
📘 English Definition（英文释义）
- n the sound of knocking (as on a door or in an engine or bearing)
- v deliver a sharp blow or push :"He knocked the glass clear across the room"
- v rap with the knuckles
- v knock against with force or violence
- v make light, repeated taps on a surface
- v sound like a car engine that is firing too early
- v find fault with; express criticism of; point out real or perceived flaws