日中 にっちゅう全面 ぜんめん戦争 せんそうなら
nicchū zemmensensōnara

Noun
Da Copula

The "-nara" conditional form ("if/when…") of 日中全面戦争

1. If/when a full-scale war with Japan breaks out; In the event of a full-scale war with Japan

Nara Conditional