谁能给我讲讲be confident in /of 的区别

谁能给我讲讲be confident in /of 的区别 be confident in和be confident of的区别 be confident of 和be confident in 到底有什么区别、、、能讲清楚吗 be confident of和be confident in有什么区别 confident of ‘be confidence in区别 "be confident of","be confident about"的区别? be confident in 和be confident of 能互相替代吗 be confident in/of/with 谁能给我讲讲的主要内容? 谁能给我讲讲 以下几个词的区别 having been done / done(分次做状语） /to be done 的 be confident in 和have confident in 加sb ,be confident of 和hav 谁能给我讲讲均值不等式和对勾函数的区别,哪种题用哪个?