我不能肯定地说，我将及时地解决这个复杂的问题。

I can't say with any certainty that I'll work out the complicated problem in time.

youdao

我不能肯定地说我的哪一种动机最强，但我知道哪一个目标我必须遵循。

I cannot say with certainty which of my motives are the strongest, but I know which of them deserve to be followed.

youdao

我真的不能肯定地说，马耳他已在近期有所改善，但我希望如此。

I cannot really say for sure that Malta have improved lately, but I hope so.

youdao