absolutely safe

US 
UK 
  • adj.万无一失
adj.
1.
万无一失
un.
1.
绝对安全

Sample Sentence

Definition:
Category:AllAll,OralOral,WrittenWritten,TitleTitle,TechnicalTechnical
Source:AllAll,DictionaryDictionary,WebWeb
Difficulty:AllAll,EasyEasy,MiddleMiddle,HardHard