ㄐㄧㄝˇㄐㄧㄚˇㄍㄨㄟㄊㄧㄢˊjiějiǎ‑guītián

解甲归田
  1. 鎧甲家務泛指軍人退役 老將解甲歸田綠化荒山開闢一片田地」。

to remove armor and return to the farm, to return to civilian life