关 Stroke Order

lit. to bite the teeth tightly (idiom); fig. to grit one's teeth and bear the pain / to bite the bullet

Guan

a neighourhood outside of a city gate

Jiayuguan prefecture-level city in Gansu

tariff wall

non-tariff barrier

Xushuguan (a place name in Jiangsu Province)

Huguan county in Changzhi 長治|长治[Chang2 zhi4], Shanxi

checkpoint (for taxation, security etc) / barrier / hurdle / red tape / CL:個|个[ge4],道[dao4]

Guam

Jiayuguan prefecture-level city in Gansu

a matter of no concern to oneself (idiom)

Juyongguan, frontier fortress on Great Wall north of Beijing, in Changping district 昌平區|昌平区[Chang1 ping2 qu1]

Hangu Pass in modern day Henan Province, strategic pass forming the eastern gate of the Qin State during the Warring States Period (770-221 BC)

to be deeply concerned / to be troubled (by)

closely bound up (idiom); intimately related

to share the same interests (idiom) / to be closely related / to be in the same boat

to guard a pass / to check on sth

to imprison / to lock up (in jail)

mechanism / gear / machine-operated / office / agency / organ / organization / establishment / institution / body / stratagem / scheme / intrigue / plot / trick / CL:個|个[ge4]

to have sth to do with / to relate to / related to / to concern / concerning

crucial point / crux / CL:個|个[ge4] / key / crucial / pivotal

related / relevant / pertinent / to be interrelated / (statistics) correlation

to pay attention to / to follow sth closely / to follow (on social media) / concern / interest / attention

to storm a strategic pass / fig. to tackle a key problem

to be concerned about / to care about

governing body of an autonomous territory

to close / to shut

related / linked / affiliated

joint (physiology) / key point / critical phase