有条件撤军 conditions-based withdrawal

撤离事件 [计] departure event

撤消一个文件 scratch a file

撤回邮件 Withdraw mail English ; Recall a message in English

案件撤销 claim withdrawal

撤销案件动议 motion for quashing a case

撤销发送邮件 Undo Send

撤销案件通知书 notice of quashing a case