break(sth)off
—phrasal verbwithbreakverbuk/breɪk/us/breɪk/broke|broken
(SEPARATE)
toseparateapartfrom alargerpiece, or tobecomeseparate
折断；（使）断开；分开
Hebrokeoff apieceofchocolate.他掰了一块巧克力。
(RELATIONSHIP)
B2
to end arelationship
绝交；终止（某种关系）
They'vebrokenofftheirengagement.他们终止了婚约。
Thegovernmentshavebrokenoffdiplomaticrelations.这些政府断绝了外交关系。
(STOP SPEAKING)
B2
tosuddenlystopspeakingor doing something
突然停顿；突然中断
Shebrokeoff in themiddleof asentence.她话说了一半突然打住了。