百無一失 [－无－－]

Jyutping baak3 mou4 jat1 sat1
Pinyin bǎi wú yī shī

Definitions (CC-CEDICT)
  1. no danger of anything going wrong
  2. no risk at all
Definitions (Wiktionary)
  1. phrase, idiomatic
    no danger of anything going wrong; no risk at all
Definitions (Kaifangcidian)
  1. （沒有對應漢語詞彙）