出大事了
Reach for this when something significant has just happened and you want to set up a story. It literally means 'a big thing has come out,' i.e. 'something major has gone down.' You'll hear it at the start of news clips, gossip, and podcast episodes — a punchy opener that signals 'pay attention, this matters.' Tone can be alarmed, dramatic, or even ironic, depending on context.
Structure
([TOPIC]) 出大事了
chū dà shì le
How to Think About It
出 here is not 'go out' but 'come up / occur' — the same 出 in 出问题 ('a problem came up'). 大事 = 'big matter,' and the final 了 signals the change of state: previously normal, now there's a big situation. The whole phrase is a self-contained headline. Compare to English: it's the rough equivalent of 'all hell broke loose' or 'something went down,' minus the profanity.
Examples
最近，OPPO 出大事了。
Zuìjìn, OPPO chū dà shì le.
Recently, something big happened with OPPO.
公司出大事了，老板今天没来。
Gōngsī chū dà shì le, lǎobǎn jīntiān méi lái.
Something big happened at the company — the boss didn't come in today.
听说他家出大事了。
Tīngshuō tā jiā chū dà shì le.
I heard something big happened with his family.
Common Mistake
Learners write 发生大事了 borrowing from 发生 ('happen'), which is grammatical but flat. Native speakers prefer 出大事了 for the dramatic punch. Also, learners forget the 了 and say 出大事, which sounds like an incomplete sentence.
OPPO 出大事。
OPPO 出大事了。
Don't Confuse With
发生了大事
发生了大事 is the neutral, written equivalent. Use it in news prose. 出大事了 is for spoken drama and headlines.
出问题了
出问题了 = 'something went wrong' — implies a fixable bug. 出大事了 is broader and more serious — could be scandal, crisis, breakthrough.
有大新闻
有大新闻 = 'there's big news' — neutral announcement. 出大事了 implies that the event itself is unfolding, not just being reported.
Practice
OPPO 出 ___ 了。
Show answer
大事
公司出大事 ___。
Show answer
了
Arrange: 了 / 大事 / 最近 / 出 / 他们
Show answer
最近他们出大事了。
Something big happened at school today.
Show answer
今天学校出大事了。
Open a story using 出大事了.
Show answer
昨天晚上，我们小区出大事了。
Hear It in Real Episodes
This pattern appears in 1 Fluentide episode: