It's a bit strong of him to do so.这里的of是用了a bit of的词组吗,还是分开的?

It's a bit strong of him to do so.这里的of是用了a bit of的词组吗,还是分开的? It's a bit wet It‘s a bit dry. Not a bit of it! not a bit of it that's a bit of It's a bit strong of him to do so.翻译我知道的,但我不大明白这里的结构,比如bit这里是做什么词性的啊,of是做什么词性的啊,麻烦有哪位高手帮我分析一下这里的结构 猜谜It’s a kind of animal .it's strong.It can very fast.People can ride on its back. There's a strong wind=It ( ) ( ). It's nothing serious ,You've just caught a bit of a cold.a bit of 能用a little吗?why? It's ___late.We'd better hurry up.A.a bit B.a bit of C.a few D.bits of 英语改错,There's a lot of rain this week ,and it is a bit of cold. It's _____ cold today.A much B a bit of原因 原因啊 伤不起啊 It's big and strong.It's yellow and brown.It's a kind of animal.It likes meat.请问谜底是什么?谜语：It's big and strong.It's yellow and brown.It's a kind of animal.It likes meat.请问这个谜底是什么呢?这个谜语中文是：它是 it is ( )hot A.a bit of B.a little bit C.a kind of D.a little of I think it's a bit over the top,myself. And it's usually windy and a bit cold -How does the cap fit?-It's a bit big