miǎn​guān

bareheaded

Senses

免冠 miǎn​guān bareheaded

Not wearing a hat; typically used in the context of official identification photos

免冠 miǎn​guān to doff a hat

To take off one's hat as a sign of respect or as a gesture of apology in ancient times

References

same_as 脱帽/脫帽 免冠/免冠