" It will never come to that. The Kingslayer will be returned to us, I have made certain of it" .

" 这你不用担心，因为根本走不到那一步。就凭撒下的天罗地网，我可以保证，弑君者休想逃脱。"

Thus the good fighter is able to secure himself against defeat, but cannot make certain of defeating the enemy.

故善战者，能为不可胜，不能使敌之必可胜。

" Ascertain" simply means to make certain of.

“Ascertain”就是确定的意思。

If I say, " I talked with her last Tuesday" you would probably ask me, " Do you mean on Tuesday of this week" ? to make certain of the exact day.

如果我说，" 我和她上个周二说话了" ，你很可能会问我，" 你说的是本周的周二么？" 来确定具体日期。

Spies cannot be usefully employed without a certain intuitive sagacity. They cannot be properly managed without benevolence and straightforwardness. Without subtle ingenuity of mind, one cannot make certain of the truth of their reports.

非圣智不能用间，非仁义不能使间，非微妙不能得间之实。

If someone loved you very much so that your happiness was the only thing that she wanted in the world and she did a bad thing to make certain of it, could you forgive her?

假设有一个人非常爱你，她只求能给你快乐，为了肯定确保这一点，她做了件坏事，你会不会原谅她？