thud

• 名词，指重物撞击时发出的低沉、沉闷的响声。

A noun referring to a heavy, dull sound, typically produced by the impact of a heavy object.

1. Heavy dull soundB1formal

   A low, dull, heavy sound, typically made by something solid falling or hitting a surface.

   沉闷的撞击声

   • The book fell to the floor with a loud thud.
   • He heard the thud of a heavy object hitting the ground.
   • A sudden thud from the next room startled everyone.

   同义词bumpclunkplunkpoundslamthump

• 动词，用于描述物体落下、撞击或碰撞时发出沉闷、重浊的响声。

A verb used to describe the action of falling, hitting, or striking something with a heavy, dull sound.

1. Make a dull soundB1informal

   To produce a low, heavy, muffled sound, typically from a fall or impact.

   发出沉闷的响声

   • The heavy book thudded onto the wooden floor.
   • His heart thudded loudly in his chest after the run.
   • The box thudded as it hit the ground.

   同义词bumpclompclunkplunkthump

2. Strike with a dull soundB1informal

   To hit something, producing a low, heavy sound.

   发出沉闷声响地击打

   • He thudded his fist against the door in frustration.
   • The ball thudded against the wall.
   • She thudded the heavy bag onto the table.

   同义词bumpclunkpoundthump

3. Engine noise (lacking lubricants)B2informal

   To make a low, heavy, knocking sound, typical of an engine that is running without sufficient lubrication.

   敲缸（发动机）

   • The old car's engine thudded loudly before stalling.
   • The mechanic said the engine was thudding because it needed oil.
   • After the oil change, the engine stopped thudding.

   同义词clunkknockpoundthump