cliffhanger
noun [ C ] uk/ˈklɪfˌhæŋ.ər/ us/ˈklɪfˌhæŋ.ɚ/
惊险故事;悬念;扣人心弦的局面
a story or a situation that is exciting because its ending or result is uncertain until it happens
Many of Hitchcock's films are real cliffhangers. 希区柯克的很多电影都扣人心弦，充满悬念。
It looks as if the election is going to be a cliffhanger. 这次选举看来胜负难分。