sign on

• 短语动词，表示正式同意参与某事（如工作、项目或合同），或表示开始使用某项服务。

A phrasal verb used to indicate the act of formally agreeing to participate in something, such as a job, project, or contract, or to begin receiving a service.

不可数 · 不及物 · 短语动词，不可分

1. Register for employment or benefitsformalbritish

   To officially register as unemployed in order to receive government benefits or to join a job scheme.

   登记领取失业救济或求职

   • He signed on at the job center after losing his job.
   • She signed on for unemployment benefits last week.
   • Many people sign on when the economy slows down.

   同义词claimenrollregistersign up

2. Agree to participate or workformal

   To formally agree to take part in something, such as a job, project, or course.

   报名参加

   • She signed on as a volunteer for the charity event.
   • He signed on to work for the company for two years.
   • They signed on for the training program without hesitation.

   同义词enlistenrolljoinregistersign upvolunteer

   反义词quitresignwithdraw

3. Start a broadcastformal

   To begin a radio or television broadcast, often with a greeting or introduction.

   开始广播

   • The radio host signed on with a cheerful good morning.
   • The station signs on at 6 AM every day.
   • He signed on to the show with a brief announcement.

   反义词sign off

基本动词sign