plead

v. 辩护,恳求,托称

The girl charged with murder was said to be mad and unfit to plead.

据说那个被指控谋杀的女孩是疯子，不能为自己申辩。

Pleading ignorance of the law won't help you if you are caught.

假若因犯法被抓住，藉口不知是犯法亦无济於事。