ph.

1. He split up with his wife.
他与妻子离异了。

1. 分裂：3. accumulation n.积聚, 堆积物 | 4. split up 分裂 | 5. no clear-cut distinction 没有绝对的区别

2. 分手：barefaced :不要脸的 | split up 分手 | avatar 马甲,呵呵,就是指的论坛上的

3. 分开：271. The talk of the town 热门话题 | 272. Split up 分开 | 273. Behind the times 落伍

4. 股本分割：split-off point分离点 | split-up股本分割 | spoilage废品损耗,次品损耗

noun

1. an increase in the number of outstanding shares of a corporation without changing the shareholders' equity

e.g. they announced a two-for-one split of the common stock

Synonym: splitstock split