天安 てんなん沈没 ちんぼつ事件 じけんなら
tennanchimbotsujikennara

Noun
Da Copula

The "-nara" conditional form ("if/when…") of 天安沈没事件

1. If/when the Tiananmen Square incident…; In the event of the Tiananmen Square incident…

Nara Conditional