It may be safely said that

"Are you sure?"- "I'm (absolutely) positive.".

【你有把握吗? 】【我 (绝对) 有把握 】。

having or marked by confidence or assurance.

有自信或者有把握，以自信或者有把握为特点。

(of a person) confidently holding an opinion;convinced

（指人）有把握的,确信的

Be you sure we is on the right road?

你有把握我们没走错路。

I was sure of passing.

我有把握会通过考试的。

to have no certainty about the matter

对这个问题没有把握

settled securely and unconditionally.

绝对的有把握确定的。

"We can't rely on Tu Chu-chai, though.

“竹斋这一层就没有把握。

At the end, it was 5th Sun-she who knew exactly what to do.

到底五孙舍自己有把握。

You're absolutely certain about his guilt?

你绝对有把握他是有罪的?

I feel quite sure about China's bright future.

我很有把握中国会有光明的未来。

Tu Wei-yueh had spoken calmly and self-confidently, a smile on his lips;

屠维岳很镇静很有把握地说，微笑着。

The drunk, however, seemed quite sure of himself.

可这醉汉像是很有把握似的。

lead-pipe cinch

ph.1. 【口】非常容易的事;甚有把握的事

"Mike, you sure about Moe Greene selling?

“迈克，你有把握让莫-格林卖掉他的股份？

I have every confidence that she 'll recover soon .

我完全有把握她不久就会康复。

We have full confidence that we shall succeed.

我们完全有把握取得成功。

We have full confidence in our victory; We are assured of our victory.

我们有必胜的把握。