be particular about
讲究；对…挑剔
Don't be too particular about others.
不要对别人过于挑剔
Being too particular about your shoes is not a good habbit.
对你的鞋太挑剔是不好的习惯
be particular to
对…是特有的
There's all sorts of considerations that may be particular to you, and a doctor knows about those considerations.
每个人的身体都有千百种特殊的状况,只有你的医生了解这些情况.