不擅长用英文怎么说？

don't shine at tennis.
我不擅长打网球。
I am no good at it.
我对它不擅长。
My sister is no good at arithmetic.
我妹妹不擅长算术。
Lack of talent or ability.
不擅长，笨拙缺乏天资或能力
I've never learnt the trick of making friends easily.
我一向不擅长轻易交上朋友。
I wouldn't say I was proficient at computer programing.
我看我并不擅长计算机编程。
I'm not very good at hacking but I'll give it my best.
我不擅长安装但是我会尽力。
He's not very good at description.
他不大擅长描写叙述.
He is not a good hand of write.
他不是一个擅长书法的人。
Not in my line.
这不是我所擅长期的

不擅长用英文
my english is not fluency

不擅长
not good at

my weakness

not too strong at something

not too good at something

be not good at sth

be not good at doing sth