腹が減っては戦は出来ぬ
Idiom- 1an army marches on its stomach ; you can't fight on an empty stomach Translated by Jiyomi
Other writings and readings
腹が減っては軍は出来ぬ
expressions (phrases, clauses, etc.)
JMdict entry 2419570. Source and licence.
JMdict entry 2419570. Source and licence.