all-or-nothing
adjective/ˌɔːl ɔː ˈnʌθɪŋ/
/ˌɔːl ɔːr ˈnʌθɪŋ/
- used to describe two extreme situations that are the only possible ones
（只可能出现两种极端局面）全赢或全输的 - an all-or-nothing decision (= one which could either be very good or very bad)
孤注一掷的决定
Oxford Collocations DictionaryAll-or-nothing is used with these nouns:- proposition
- an all-or-nothing decision (= one which could either be very good or very bad)