我不大有把握的英文

I'm not sure

把握───grasp;不大───not big

The officer managed to wrest the gun from his grasp.───警官最終把槍從他手中奪走了.

The elements of physics are difficult to grasp.───物理原理是很難掌握的.

A grasp of mundane affairs is genuine knowledge; an understanding of worldly wisdom is true learning.───世事洞明皆學問, 人情練達即文章.

I kept her hand in my grasp.───我抓住她的手.

Grasp all , lose all.───貪多必失.

We have no intuitive grasp of the immensity of time.───我們對時間的無限沒有什么直觀的認識.

They have a good grasp of foreign languages.───他們外語掌握得很好。

The bag was wrenched from her grasp.───那只包從她緊握的手里被奪了出來。