輸入需要查詢的詞語：
詞條：萬無一失
wanwuyīshī
[no danger of anything going wrong;infallible;surefire;be perfectly safe;cannot possibly go wrong] 形容有把握,一點差錯也不會出
相關：萬無一失 反義詞、 萬無一失 近義詞