chaff

• 名词，指谷物（如玉米、小麦等）脱粒或扬场后剩下的外壳、糠皮等无用部分；也用于比喻无价值的东西或无关紧要的杂物。

A noun referring to the husks of corn or other seed separated by winnowing or threshing; also used figuratively to mean worthless material or things of little value.

不可数

1. Husks of grainB2formal

   The dry, protective outer covering of seeds or grains, separated during threshing or winnowing.

   谷殼

   • The farmer separated the chaff from the wheat.
   • Chaff is often used as animal feed or bedding.
   • The wind blew the chaff away from the grain.

   同义词bran

2. Worthless materialC1formal

   Something of little or no value; trivial or useless matter.

   糟粕

   • The report was full of chaff and lacked real substance.
   • He sifted through the chaff of online comments to find useful advice.
   • Don't waste your time on the chaff; focus on the important details.

   同义词debrisdrossjunkrefuserubbishtrashwaste

3. Military countermeasureC1formaltechnical

   Small strips of metal or other material released by aircraft or ships to confuse radar or missiles.

   箔条

   • The fighter jet deployed chaff to evade the incoming missile.
   • Chaff is an effective countermeasure against radar-guided weapons.
   • The pilot released chaff as a defensive tactic.

   同义词window

• 动词，指以轻松或戏谑的方式取笑或开玩笑地嘲弄某人。

A verb meaning to tease or make fun of someone in a light-hearted or playful manner.

1. Tease or mock playfullyC1informalbritish

   To make friendly, light-hearted jokes or remarks about someone.

   开玩笑

   • The old friends chaffed each other about their school days.
   • He chaffed his brother for being late to the party.
   • They chaffed the new intern about his nervousness.

   同义词banterjestjoshkidragrazzribtease