1) I agree with..... Yes, I think so, too; I disagree with..... I have a different opinion; Nonsense. 2) sociable, industrious, curious, intelligent, creative, clever, kind, serious, friendly, hardworking, polite, rude, cruel, silly, lazy, impolite, naughty, unfriendly, shy, cunning.

1) I agree with you. — Yes, I think so, too.
I disagree with you. — I have a different opinion.
Nonsense.

2) Положительные качества: sociable, industrious, curious, intelligent, creative, clever, kind, serious, friendly, hardworking, polite.
Отрицательные качества: rude, cruel, silly, lazy, impolite, naughty, unfriendly, shy, cunning.