1·His first act as leader was to purge the party of extremists.
他当上领导的第一件事就是清除党内的极端分子。
—— 《牛津词典》
2·They managed to purge the party of undesirable members .
他们努力清除了党内不合格分子。
3·To purge the party of disloyal members is helpful to our following business.
清除党内不忠分子对我们以后工作有利。
4·The activist have purge the party of moderates or have purge the moderates from the party.
激进分子清洗了党内的温和派分子。