shaky 2???

I wrote shakily my words in the paper.
我手震震地寫字在紙上..
I have shaky hands.
我有一雙手震的手..
My hands are always shakily.
我雙手總是顫抖
I have written shakily the first assignment in twenty minutes.
I have written shakily the first assignment before twenty minutes.
這二十分鐘的 first assignment 在我手震震中完成...


I do not want to write because I know it is all wrong.
Help me my sentences what is the matter??? thank you so much.