明确的警告

clear warning

有明确的目的

have a clear purpose

给以明确的回答

give an unequivocal answer

明确地规定

explicitly stipulate

明确地提出问题

ask a question clearly

一再明确地指出

point out repeatedly and explicitly

明确方向

determine direction

明确目的任务

clarify the intended task

明确我们双方的关系

clarify our relationship

使一切问题明确起来

clarify all the problems