It has already become 2017.

Last year passed so fast that I don't know what happend. = 2016 has passed so quickly that I don't know what happened.
I mean, I feel like I didn't do many things in 2016. = I mean, I feel like there were a lot of things I didn't do in 2016.
I wanted to boost my english skill but I think I was not studying pretty hard. = I wanted to ameliorate my English skills but I think I didn't study hard enough.
I feel regretful that I din't try many sort of things. = I feel regretful for a number of reasons.
However, I learned how to overcome and be patient. I went throguh = through some sad things and I realized that I have to be strong even if I'm in any trouble = trouble.
A couple of years ago I was like a cry baby. = A couple of years ago I was such a big crybaby.

Whenever I feel lonely like
there's no one who helps me anywhere, I used to cry and feel sad.

However, I don't any more cry. = However, I don't cry easily anymore.

I know crying is not a way to avoid any danger or situation.

I'll never show crying to anyone. = I'll never let them see me cry. 

Even I'll never do to family or boyfriend. = Even to my family and boyfriend.
In 2017, I'm supposed to be more strong. I know all of things don't work as I think.
Sometimes plans wouldn't go well and I would feel down, but I need to overcome.
I don't any more hope a pipe dream to come true. Instead, I belive that much as I try hard,
my efforts will pay off. In 2017, I will do my best.