なら分かるよ

I know ...

→ なら

phrase Rare #45,521

I know ... なら marks the topic or condition as something the speaker knows about, often with a contrastive sense. よ adds emphasis; this phrasing is conversational.

JA: 道順なら分かるよ。

EN: I know the way.

フランス語は話せないけど、少しなら分かるよ。

I can't speak French, but I understand a little.

修正方法なら分かるよ。

I know how to fix it.

フランス語はしゃべれないけど、ほんの少しなら分かるよ。

I can’t speak French, but I understand a little.

彼の住所なら分かるよ。

I know his address.