臂

arm

moon / month / monthly / CL:個|个[ge4],輪|轮[lun2]

king / monarch / to enlist / to repel / to avoid

law / variant of 闢|辟[pi4]

to open (a door) / to open up (for development) / to dispel / to refute / to repudiate

arms / both arms / two arms

forearm

upper arm

Sagittarius spiral arm (of our galaxy)

lever arm (i.e. perpendicular distance from the fulcrum to the line of force)

to lend a helping hand (idiom)

tone-arm (tracking arm of gramophone)

with arms crossed

lit. to have three heads and six arms (idiom) / fig. to possess remarkable abilities / a being of formidable powers

linking arms / arm in arm / very close

to miss sb by a narrow chance / to miss an opportunity