形容词撕裂的，分裂的，硬给分开的

动词猛地劈开[撕开]( rive的过去式和过去分词 ); 劈开（木头或石头）

1. 撕开：rivel 皱纹 | riven 撕开 | river basin 江河流域

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1. 分裂的;四分五裂的
If a country or organization is riven by conflict, it is damaged or destroyed by violent disagreements.

e.g. The four provinces are riven by deep family and tribal conflicts...
这4个省被严重的家族和部族纷争弄得四分五裂。
e.g. The party was riven with factional fighting.
派系争斗使该党四分五裂。

2. riven的解释