Word

HSK	Not in HSK
FREQUENCY	Unknown

觀後鏡 guān hòu jìng

mirror showing a view to one's rear (including rearview mirror, side-view mirror, baby view mirror etc)

觀 guān	see, observe, view; appearance
後 hòu	behind, rear, after; descendents
鏡 jìng	mirror; lens; glass; glasses