to look for something up and down
- nắm chặt cái gì: to clutch at somethingto have a cinch on a thing
- tôi đã đi tìm cái đó khắp mọi nơi: I have looked for it all over the shop
- nắm chắc được cái gì: to acquire (get) the feel of somethingto have complete control of something
