There are multiple definitions - click on the translation that matches your context.

不出庭

短语动词/动词词组

full

fail to appear

phrase

Definitions of fail to appear

English

for a person who has been officially told to come to court to face trial to not attend the trial when expected. This is a crime in many jurisdictions.

Police have issued a warrant for a local man who failed to appear in court on drug charges.