go into battle with a light pack; to move forward with one's burdens discarded
Definitions (Wiktionary)
phrase, idiomatic
to go into battle with a light pack; (by extension) to go forward with one's burdens discarded; to join the action without any burdens
Examples (粵典–words.hk)
Cantonese
轻装上阵
輕裝上陣
hing1 zong1 soeng5 zan6
to go into battle with a light pack; figuratively, to move forward with one's burdens discarded