從戎

to enlist / to be in the army

from / through / via / to follow / to obey / to engage in (an activity) / never (in negative sentence) / (Taiwan pr. [zong4]) retainer / assistant / auxiliary / subordinate / related by common paternal grandfather or earlier ancestor

surname Rong

generic term for weapons (old) / army (matters) / military affairs

to lay down the pen and take up the sword (idiom) / to join the military (esp. of educated person)