calculated risk
noun[C]
uk/ˌ ˈkæl.kjʊ.leɪ.tɪd ˈrɪsk/us/ˌkæl.kjʊ.leɪ.t̬ɪd ˈrɪsk/ariskthat youconsiderworthtaking because theresult, if it issuccessful, will be so good:
值得冒的风险Thedirectortook acalculatedriskin giving the film'smainroleto anunknownactor.导演甘愿冒险让一位不知名的演员担任影片的主角。
Dangers and threats
- balefully
 - baneful
 - black spot
 - brinkmanship
 - hazard
 - hazardous
 - hazmat
 - hazmat suit
 - high-risk
 - or elseidiom
 - parlous
 - peril
 - perilous
 - perilously
 - precipice
 - someone'sbark isworsethanhis/herbiteidiom
 - tombstoning
 - triple threat
 - ultra-hazardous
 - venturesome