grasp

抓住、紧握、握牢

She grasped the railing tightly as the bus turned.

公车转弯时，她紧紧抓住扶手。

理解、领会、明白

He never quite grasped why the plan had failed.

他始终没能真正明白这个计划为什么失败。

把握、抓紧

You should grasp this opportunity while it lasts.

机会还在的时候你应该好好把握。

抓取、伸手抓

The toddler grasped at the balloon and missed.

小孩伸手去抓气球，却抓了个空。

理解力、掌握

Her grasp of financial detail impressed the whole committee.

她对财务细节的掌握让整个委员会印象深刻。

紧握、抓握

The letter slipped from his grasp and fell.

信从他手中滑落。

掌握、能力范围、控制

After years of saving, the house was finally within their grasp.

存了好几年钱，这栋房子终于是他们买得起的了。

抓住最后希望、病急乱投医口语

Blaming the weather is just grasping at straws.

把问题推给天气只是在抓最后一根浮木。