This is the 6998th most frequent Chinese word.
瓦解
"瓦解" means "to collapse" or "to disintegrate."
In this sentence, '瓦解' refers to the dissolution or disintegration of the alliance due to internal reasons.
他们的联盟最终因为内部问题而瓦解了。
Their alliance eventually disintegrated due to internal issues.
Here, '瓦解' illustrates the breakdown or collapse of social structures or systems impacted by war.
社会秩序在战争的影响下逐渐瓦解。
The social order gradually disintegrated under the influence of war.
In this example, '瓦解' is used figuratively to describe the gradual deterioration or collapse of the individual's confidence.