i think the man in the suit is a police officer这句in为什么不用with?

题目

i think the man in the suit is a police officer这句in为什么不用with?
一般戴眼镜的男人 都是说the man with glasses啊?

答案

in the suit因为形象的一点想,人是在衣服“里面的”,所以是in
同理in the hat
in the socks
in the trousers
in the dress
但是其他戴在身上的,一般是with
with glasses
with watch
with necklace