I am not good at those things

I am not good at those things I not good at those things是什么意思 I not good at those things. i'am not good at weddings. I am not good at writing. I am not good at English wht?I am sorry!I am not good at chian! at,good,am,not,all.at,sports,I I am not good at ___(swim),but I am good at ___(skate) I am not good at it _____(I) I am not good at expression中文是什么意思 I am not very good at it的同义句