と思わないか

don't you think?

→ と
phrase Rare #39,954
don't you think? A casual, often somewhat direct way to ask for agreement or an opinion. The subject is usually understood from context.
JA: この映画は面白いと思わないか?
EN: Don't you think this movie is interesting?

いい名前だと思わないか?

Don't you think it's a good name?

— イル・ポスティーノ (1994)

君に話してるんだル・ケレック彼は優しいと思わないか?

I'm talking to you, Le Quélérec. Don't you think he's kind?

— コーラス (2004)

今日見た飛行機と似ていると思わないか

Don't you think it looks like the plane we saw today?

— The Wind Rises (2013)