sign off

• 短语动词，用于表示正式结束交流、批准某事或完成任务。

A phrasal verb used to indicate the act of formally ending a communication, approving something, or concluding a task.

不可数 · 不及物 · 短语动词，不可分

1. End a communicationformal

   To conclude a letter, email, or broadcast message.

   结束通信

   • He signed off the email with 'Best regards'.
   • The radio host signed off after the final song.
   • She signed off her letter with a warm farewell.

   同义词closeconcludeendfinishwrap up

   反义词begininitiateopenstart

2. Stop work or activityinformal

   To officially stop working or leave a job for the day.

   下班

   • I'm going to sign off now and head home.
   • The team signed off after completing the project.
   • He signed off early to attend a family event.

   同义词call it a dayclock outknock off

   反义词clock instart

3. Approve or authorizeformal

   To give formal approval or authorization for something.

   批准

   • The manager signed off on the budget proposal.
   • The doctor signed off on the patient's release.
   • The committee signed off on the new policy changes.

   同义词approveauthorizeconfirmendorseokayratifysanction

   反义词denydisapproverefuserejectveto

基本动词sign