1. 删去，删除（著作中有所冒犯或令人震惊之处）
If someone expurgates a piece of writing, they remove parts of it before it is published because they think those parts will offend or shock people.

1. edit by omitting or modifying parts considered indelicate

e.g. bowdlerize a novel

Synonym: bowdlerizebowdlerisecastrateshorten