headlong

• 形容动作迅猛、不顾一切，常指仓促鲁莽、未经深思熟虑便向前冲去。

Describes an action done with reckless speed or without careful thought; often used to describe a sudden, uncontrolled rush.

1. Rushing without cautionC1formal

   Done with reckless speed or without thinking carefully.

   轻率的

   • The company made a headlong rush into the new market without proper research.
   • His headlong pursuit of fame led to many mistakes.
   • The headlong charge of the cavalry surprised the enemy.

   同义词carelessdesperatefoolhardyhastyheedlesshurriedimpetuousprecipitaterashreckless

   反义词carefulcautiousdeliberateprudent

2. Steep or plungingC1formal

   Characterized by a steep, downward motion or slope.

   陡峭或猛冲直下

   • The headlong descent down the mountain was dangerous.
   • The river took a headlong plunge over the cliff.
   • The headlong drop in stock prices alarmed investors.

   同义词abruptprecipitoussheersteepvertiginous

   反义词gentlegradualshallow

• 副词，表示“头朝前地”或“匆忙而欠考虑地”，形容动作迅速鲁莽，常含不顾后果、缺乏谨慎之意。

An adverb meaning 'with the head first' or 'in a rush without careful thought.' It describes moving or acting with great speed and recklessness, often implying a lack of caution or control.

1. With the head firstB2formal

   Moving forward with the head leading the body, often in a fall or dive.

   头朝前

   • He fell headlong down the stairs.
   • The diver plunged headlong into the water.
   • She rushed headlong into the crowd.

2. Rashly or without thoughtB2formal

   Acting quickly and impulsively, without careful consideration.

   鲁莽地

   • He rushed headlong into the business deal without reading the contract.
   • She plunged headlong into a new relationship.
   • The company went headlong into expansion without proper planning.

   同义词carelesslyhastilyimpetuouslyimpulsivelyprecipitatelyrashlythoughtlessly

   反义词carefullycautiouslydeliberatelyprudentlythoughtfully