I'd like to talk to you about a personal matter.
我想和你談點私事。
Have I picked a bad time to talk to you?
我是不是挑了個不恰當?shù)臅r間跟你談話？
I made a mental note to talk to her about it.
我記著要去和她談?wù)勥@事兒。
It would be better for him to talk to his parents about his problems.
他把自己的問題同父母談?wù)剷容^好。
He found it difficult to talk to members of the opposite sex.
他覺得很難與異性交談。