1PHRASAL VERB 破碎If something falls apart, it breaks into pieces because it is old or badly made. 破碎
The work was never finished and bit by bit the building fell apart. [VERBPREP.]
这项工程从来没有完工,该建筑一点一点地坍塌了。
SYN break up, crumble, disintegrate, fall to bits
2PHRASAL VERB 瓦解If an organization or system falls apart, it becomes disorganized or unable to work effectively, or breaks up into its different parts. 瓦解
Europe's monetary system is falling apart. [VERBPREP.]
欧洲的货币体制正在瓦解。
3PHRASAL VERB 精神崩溃If you say that someone is falling apart, you mean that they are becoming emotionally disturbed and are unable to think calmly or to deal with the difficult or unpleasant situation that they are in. 精神崩溃 [informal]
I was falling apart. I wasn't getting any sleep. [VERBPREP.]
我要崩溃了。我根本睡不着觉。
SYN go to pieces, break down, crack up [informal], have a breakdown