英语翻译1.Since John became her big dog,Mrs smith has fell much

英语翻译
1.Since John became her big dog,Mrs smith has fell much safer than before.
2.Can you clean the desk for me,Tom?
Well,DIF,John.
3.What a good job you have done!
Thanks.But I'm still a green hand.
4.Tom is good at gardening.His garden is the most beautiful in our town.He has green fingers.