話すのは

as for speaking

→ 話す
phrase Common #7,653
as for speaking The pattern のは turns 話す (to speak) into a topic, often contrasting speaking with another ability or activity. The subject and object can appear before 話すのは.
JA: 日本語を話すのは楽しいです。
EN: Speaking Japanese is fun.

口に食べ物がいっぱい入ったままで話すのはお行儀良くない

It’s bad manners to talk with your mouth full.

話すのは疲れる

Talking is tiring.

— プラットフォーム (2019)

でも直ぐに話すのは私には無理です

But I can't talk about it right now.

— パラサイト 半地下の家族 (2019)

外国語を話すのは簡単じゃない

Speaking a foreign language isn’t easy.

トム話すのは楽しいよ

Talking with Tom is fun.

彼は聞き上手だが話すのは下手だ

He's a good listener, but he's not good at speaking.