arm; arm-like part of machine

(tool) Machine arm

muscle (lit., "arm strength")

give a helping hand

arm; forearm | Mand.-only syn.: 胳膊, 胳臂

reliable helper

boom (arm on a crane, derrick, etc.)

(said of a woman) to expose one's neck and shoulders

to expose one's neck and shoulder

armless; cut-off/broken arm(s)

gibbon; [粵]: a turntable ladder on a fire engine (lit., "long armed ape")

a semaphore, an apparatus for visual signaling with lights or mechanically moving arms

overate oneself and try to hold back an overwhelmingly superior force (lit., "a mantis trying to stop a chariot")

massive upper arm muscles (Lit. (Chinese) unicorn upper arm)

(lend) a helping hand

forearm

nothing to do; nothing to hold

raise one's arm in a apeal for action; make an appeal for people to take action

crook of the arm

armband, armlet, shoulder emblem

an actuating arm (a lifting arm on a piece of heavy machinery)

arm; forearm [華]: 胳膊, 手臂

upper arm

chances slip through the fingers