Get/lay your hands on sth: obtain sth that you want or need very much 把…弄到手,得到(非常想要的东西)
Do you know where I can get my hands on a Russian dictionary? I need to check a translation.
你知道在哪儿能找到俄语字典吗?我想核对一篇翻译.

I'd buy a new car if I could lay my hands on the money.
要是能弄到钱,我就买一辆新车.

Have(got) your hands full:非常忙碌 to be very busy
I've got my hands full looking after four children.
我要照顾4个孩子,忙的要死.

You look as if you've got your hands full today. Would you like me to help you?
你今天看起来很忙,要我帮忙吗?