dull

• 形容某事物不有趣、不吸引人、不鲜明或不刺激。也可指不锋利、不敏锐或不明亮。

Describes something that is not interesting, exciting, or bright.

1. Not interesting or excitingA2formal

   Lacking interest, excitement, or stimulation; boring.

   无聊的

   • The lecture was so dull that many students fell asleep.
   • He found the movie dull and predictable.
   • The party was dull, so they left early.

   同义词boringdrabdrearydryflathumdrumlacklusterlifelessmonotonousstaletedioustiresomeunexcitinguninterestingwearisome

   反义词absorbingengagingentertainingexcitingfascinatinginterestinglivelyspiritedstimulatingvivid

2. B1formal

   Having a blunt edge or point; not sharp.

   钝

   • The knife is too dull to cut the bread.
   • She tried to sharpen the dull pencil.
   • A dull blade can be dangerous to use.

   同义词bluntbluntededgelessobtuseunsharpened

   反义词acutekeenpointedsharp

3. Not bright or shinyB1formal

   Lacking brightness, vividness, or shine.

   暗淡的

   • The sky was dull and gray all day.
   • The paint has a dull finish.
   • His eyes looked dull from exhaustion.

   同义词dimdingyfadedflatlacklustermattesubdued

   反义词brightgleamingglossyglowingluminouslustrouspolishedradiantshinysparkling

4. Not intelligentB2informal

   Slow to understand or learn; not clever.

   笨

   • He was considered a dull student in his early years.
   • She felt dull compared to her brilliant classmates.
   • Don't be so dull; it's a simple concept.

   同义词brainlessdensedimdumbobtusesimpleslowstupidthickunintelligent

   反义词brightcleverintelligentquicksharpsmart

• 动词，指使某物的锋利度、强度或鲜明度减弱，或变得不那么活跃、敏感。

A verb used to indicate the act of making something less sharp, intense, or vivid, or to become less active or sensitive.

1. Make less sharpB2formal

   To make something less sharp or less intense.

   使变钝

   • Constant use dulled the blade of the knife.
   • The repeated impact dulled the chisel's edge.
   • Time dulls even the sharpest memories.

   同义词bluntdampendeadenlessenmitigatereducetemperweaken

   反义词accentuateedgehoneintensifypointsharpenstrengthenwhet

2. Reduce intensityB2formal

   To make something less bright, loud, or strong.

   减弱

   • The thick curtains dulled the sunlight in the room.
   • The medication dulled the pain in his knee.
   • The fog dulled the sound of the traffic.

   同义词alleviatebluntdampendeadendiminishlessenmitigatemufflemutereducesoftensubduetemper

   反义词amplifybrightenheightenintensifysharpenstrengthen

3. Make less interestingB2informal

   To make something less exciting or stimulating.

   使乏味

   • The long lecture dulled the students' attention.
   • Repetitive tasks can dull your enthusiasm for work.
   • The gray weather dulled the mood of the party.

   同义词bluntboredampendeadenstiflesubduetireweary

   反义词enlivenexciteintereststimulate