To involve; to have a bearing on; to implicate

To close or shut (a door, window, etc.); to shut down a business

A critical point; a barrier or difficult stage to overcome; a turning point

To turn or switch off (a light, machine, or electronic device)

To confine; to lock someone up; to shut someone or something inside a room or cage

An agency for inspecting goods and collecting taxes on imports and exports; short for 海关 hǎi​guān

A mountain pass; a strategic checkpoint at a border or critical location

The Chinese surname Guan

(bound form) To issue or receive payment; specifically used regarding a salary or soldier's pay

(literary) A door bar or latch

Specifically referring to Shanhai Pass; (by extension) the region beyond Shanhai Pass (e.g., Northeast China)

The area just outside a city gate; residential area outside a city wall

(TCM) the middle pulse point on the wrist (between the cùn and chǐ positions)