English definition of “break down”
break down — Phrasal Verb with break
/breɪk/ verb (past tense broke, past participle broken)
MACHINE › If a machine or vehicle breaks down, it stops working: My car broke down on the way to work.
COMMUNICATION › If a system, relationship, or discussion breaks down, it fails because there is a problem or disagreement: Their marriage broke down after only two years.
CRY › to become very upset and start crying