わり にわとり牛刀 ぎゅうとうだったら
wariniwatorigyūto udattara

Noun
Da Copula

The "-tara" conditional form ("if/when…") of 割鶏牛刀

1. If [it] were a whetstone for slaughtering chickens and oxen…; If [it] were like a knife for slaughtering chickens and oxen…

Tara Conditional