firsthand

• 指信息或经验直接来自原始来源或亲身经历，而非转述或二手获得。

Describes information or experience that is obtained directly from the original source or personal involvement.

1. Directly from the sourceB2formal

   Obtained or experienced directly from the original source, without any intermediary.

   第一手的

   • She gave a firsthand account of the accident.
   • He has firsthand knowledge of the company's operations.
   • The journalist reported firsthand from the war zone.

   同义词directeyewitnessimmediatepersonalprimary

   反义词derivedindirectmediatedsecondhand

• 副词，表示直接来自原始来源或基于亲身经历。形容通过自己的观察或参与获取信息或知识，而非通过他人转述或二手渠道。

An adverb meaning "from the original source" or "with direct personal experience." It describes obtaining information or knowledge through one's own observation or involvement, rather than through reports or second-hand accounts.

1. B2formal

   Obtained directly from the original source or personal experience, not through intermediaries.

   第一手

   • She learned about the accident firsthand from the driver.
   • The journalist reported the story firsthand from the war zone.
   • I experienced the culture shock firsthand when I moved abroad.

   同义词immediatelypersonally

   反义词indirectlysecondhandvicariously