jiāo​bì

very close

交臂 jiāo​bì
very close
arm in arm; very close together, often used to describe missing an opportunity while standing right next to it or meeting a close friend
to fold one's arms
to cup one's hands in a gesture of respect, submission, or surrender
to have arms tied
to have one's arms bound behind the back, a position typically used for prisoners in historical times
intimate friend
a bosom friend; a very close companion

Frequency

Written text
0.068 per million

Sources

Frequency data
BCC Corpus (BLCU)