break down

• 短语动词，表示将某物分解成更小的部分以进行分析，或指机器、车辆等停止运转、发生故障。

A phrasal verb used to indicate the act of separating something into smaller parts for analysis, or to stop functioning (as in a machine or vehicle).

不可数 · 不规则动词 · 及物和不及物 · 短语动词，可分

1. Stop functioninginformal

   To stop working or operating properly, usually referring to machinery or vehicles.

   出故障

   • My car broke down on the highway yesterday.
   • The elevator broke down, so we had to take the stairs.
   • The computer system broke down during the presentation.

   同义词conk outdiefailgive outmalfunction

   反义词functionoperaterunwork

2. Analyze or separateformal

   To divide something into smaller parts in order to understand it better.

   分析

   • Let's break down the problem into manageable steps.
   • The teacher broke down the complex equation for the students.
   • We need to break down the budget by department.

   同义词analyzedecomposedeconstructdissectexamineparseresolveseparate

   反义词assemblecombineunify

3. Lose emotional controlinformal

   To become very upset or lose control of one's emotions.

   情绪崩溃

   • She broke down in tears after hearing the news.
   • He broke down under the pressure of the exam.
   • The witness broke down while describing the accident.

   同义词collapsecome apartcrack updisintegratefall apartgo to pieceslose it

   反义词calmcomposesoothesteady

4. Decompose or decayformal

   To cause something to decompose or rot over time.

   分解

   • Bacteria help break down organic matter in the soil.
   • The chemicals break down the waste into harmless substances.
   • Over time, the plastic will break down into microplastics.

   同义词decaydecomposedegradedisintegrateputrefyrotspoil

基本动词break