If you hesitate and cogitate, you will come up with another word—of course you will, there's always another word—but it probably won't be as good as your first one, or as close to what you really mean.

如果你犹豫不决再三思索，你定会想出外一个词——当然你能，总会有外的词以选用一能这个词不如你想到的第一个，或者这词不如第一个意思准确。