释义
- 1. surefire; absolutely safe (idiom)
词语关系
Usage notes
Common mistakes
Don't confuse 失 (lose) with 先 (first); the idiom means 'not one mistake in ten thousand'.
例句
显示 1 条这个计划 万无一失 。
This plan is absolutely foolproof.
AI 生成的例句会用此图标标注。