break out
phrasal verbbreak out
(of war, fighting or other unpleasant events 战争、打斗等不愉快事件 to start suddenly 突然开始；爆发 They had escaped to America shortly before war broke out in 1939. 1939 年战争爆发前不久他们逃到了美国。 Fighting had broken out between rival groups of fans. 双方球迷发生了打斗。 Fire broke out during the night. 夜间突然发生了火灾。
break out (of something)
to escape from a place or situation 逃离（某地）；摆脱（某状况） Several prisoners broke out of the jail. 几名囚犯越狱了。 She needed to break out of her daily routine and do something exciting. 她需要从日常事务中解脱出来，找点有意思的事做。