make certain of和be certain of的区别?

网友回答

差不多,be certain of表示状态,make certain of表示动作.
He is certain of his success in the election.
He called to make certain of his success in the election.
======以下答案可供参考======
供参考答案1:
make certain of确定
be certain of是确定无疑的
供参考答案2:
make certain of 把...了解清楚，把..弄明白
be certain of 确信，对..有把握