以a bit of 造句

not a bit 造句 a bit of a bit和a bit of用法 we are all a bit afraid of our head teacher.这句话a bit为什么不可以换成 a bit of 的用法 that's a bit of Not a bit of it! not a bit of it a bit of 什么意思? a bit out of hand a bit of的用法 a bit of 的用法?