退役 (teoi3 jik6) — to be discharged from armed forces/services, military discharge in Cantonese
teoi˗₃退jikˍ₆役Mandarin Pinyin: tui4 yi4
Meaning of 退役
nounto be discharged from armed forces/services, military discharge
nounto be retired from use (e.g., such as with an obsolete product)
nounto retire
nounto demobilize, to decommission