英和和英

break one's arm

to bare an arm

Pull back your arms!

to exercise one's talent―show one's talent

to come to blows

bind the arms of

to do one's utmost―strive to the utmost―strain every nerve

to improve oneself in an art―perfect oneself in an art

skill―dexterity―mastery

to turn the handle

to bare one's arms―turn up one's sleeves―roll up one's sleeves

link arms

to perfect oneself in an art

an action of turning something by hand

a support for the arm

to twist muscle of one's body

（自分の腕なら）to try one's hand （at anything）―（人の腕なら）―put one's ability to the test

He has improved in his ability.

He has his arm in a sling.

to send out emissaries―use spies―resort to espionage

a single arm

an arm

to improve one's skill―improve one's ability

the forearm

Let go of my arm!

with a sweep of one's arm

to improve oneself in an art

to be masterly―smart

to make someone carry something in his/her arms

a brawny arm