4 sentences for 把握 (bǎ​wò — certainty)

1. 我可不这么有把握。

   wǒ kě bù zhè​me yǒu bǎ​wò.

   I'm not so sure.

   Source: OpenSubtitles

2. 这件事我有九十趴的把握。

   zhè jiàn shì wǒ yǒu jiǔ​shí pā de bǎ​wò.

   I am ninety percent sure about this.

   Source: Dong Chinese Dictionary

3. 对于这次面试，他很有把握。

   duì​yú zhè cì miàn​shì, tā hěn yǒu bǎ​wò.

   He is very confident about this interview.

   Source: Dong Chinese Dictionary

4. 这件事我也没把握，只能说会尽量一试。

   zhè jiàn shì wǒ yě méi bǎ​wò, zhǐ néng shuō huì jìn​liàng yī shì.

   I'm not sure about this either; I can only say I'll give it my best shot.

   Source: Dong Chinese Dictionary