僕(ぼく) bokuは wa君(きみ)の() kimino意(い)見(けん) ikenに ni完(かん)全(ぜん) kanzenに ni同(どう)意(い) douiする suru。 I completely agree with your opinion. Literal I [topic-は] you [possessive-の] opinion [to-に] completely agree. 完全に (かんぜんに, 'completely, fully') — the な-adjective 完全 in adverbial に form. 同意する (どうい, 'to agree, consent') takes に for the thing agreed with. opinionsagreement
僕(ぼく) bokuは wa君(きみ)の() kimino意(い)見(けん) ikenに ni完(かん)全(ぜん) kanzenに ni同(どう)意(い) douiする suru。 I completely agree with your opinion. Literal I [topic-は] you [possessive-の] opinion [to-に] completely agree. 完全に (かんぜんに, 'completely, fully') — the な-adjective 完全 in adverbial に form. 同意する (どうい, 'to agree, consent') takes に for the thing agreed with. opinionsagreement