tau4 on3 zi6 sau2投案自首

Jyutpingtau4 on3 zi6 sau2
Yaletàuh on jih sáu

Definition

To turn oneself in to the police; to surrender oneself.

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How it's used

This phrase is primarily used in formal, legal, or news contexts rather than casual daily conversation. While it describes the act of surrendering to authorities, it carries a heavy, serious tone associated with criminal proceedings. Using it in a lighthearted or non-legal situation would sound overly dramatic or ironic.

Examples

He decided to go to the police station to turn himself in.
When are you planning to go and turn yourself in?

Related words

Common phrases

go to the police station to turn oneself in

Common mistake

Learners often mistake this for a casual way to admit a mistake, but it specifically refers to surrendering to the police for a crime. Do not use it when simply confessing to a minor personal error like breaking a plate or being late.

Grammar color guide

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