意見に賛成です

agree with the opinion

→ 意見
phrase Rare #38,268
agree with the opinion A polite way to express agreement with someone's opinion. The opinion being supported is marked with に, as in 彼の意見に賛成です (I agree with his opinion).
JA: 彼の意見に賛成です。
EN: I agree with his opinion.

ゲオルク意見に賛成です

I agree with Georg's opinion.

— 善き人のためのソナタ (2006)

もうけ部分を除いて君の意見に賛成です

I agree with your opinion except when it comes to the profit.

彼の意見に賛成です

I agree with his opinion.

反対意見に賛成です

I agree with the opposing opinion.