knocking

• اسم يدل على الصوت الناتج عن ضرب سطح كالباب، أو على صوت متكرر في محرك أو محمل.

A noun referring to the sound produced by striking a surface, such as a door, or a repetitive noise in an engine or bearing.

1. Sound of a knockA2formal

   The sound produced when someone or something strikes a surface, such as a door or an engine part.

   طَرْق

   • I heard a loud knocking at the door.
   • The knocking from the engine indicated a problem.
   • She woke up to the sound of knocking on the window.

   المرادفاتbangknockpoundraptapthump

2. Engine or bearing noiseB2formal

   A repetitive tapping or pounding sound in an engine or bearing, often indicating a mechanical issue.

   طرق المحرك

   • The mechanic diagnosed the knocking as a worn bearing.
   • The car's engine developed a knocking sound after the long trip.
   • Ignoring the knocking in the engine can lead to serious damage.

   المرادفاتknockpingpoundingtapping

• فعل يدل على ضرب سطح ما ضربة خفيفة أو قوية لإحداث صوت أو لفت الانتباه أو لتحريك شيء ما.

A verb used to indicate the act of striking a surface with a sharp blow, typically to attract attention or cause something to move.

1. Strike a surfaceA1formal

   To hit a surface with a sharp blow, typically to attract attention or signal entry.

   الطرق على سطح

   • She knocked on the door before entering.
   • He knocked loudly on the window to get her attention.
   • The child knocked the glass off the table by accident.

   المرادفاتbangbeathammerhitpoundrapstriketapthump

2. Criticize or disparageB2informal

   To criticize someone or something, often unfairly or persistently.

   ينتقد

   • Stop knocking his efforts; he's doing his best.
   • The critics knocked the movie for its weak plot.
   • She always knocks the local restaurants without trying them.

   المرادفاتbadmouthbelittlecriticizedenigratedeprecatedisparagemalignput downrun down

   الأضدادcommendcomplimentlaudpraise

3. Make a noiseA2informal

   To produce a sound by hitting something, often as a signal.

   طرق

   • The engine started knocking after the long drive.
   • I heard a knocking sound coming from the basement.
   • The pipes knock when the water is turned on.

   المرادفاتbangclunkhammerpoundraptapthump

الصيغ المركّبةknock againstknock downknock offknock outknock overknock up