nail-biting
adjective [ before noun ] uk/ˈneɪlˌbaɪ.tɪŋ/ us/ˈneɪlˌbaɪ.t̬ɪŋ/
（由于结局未知而）紧张刺激的，令人焦急的
A nail-biting situation is very exciting or worrying because you do not know how it will end.
Germany won the championship after a nail-biting final. 经过一场扣人心弦的决赛，德国队赢得了冠军。
Synonym: suspenseful