题目内容：

奇怪的句子们
1.
A:is this somthing you've noticed or is something you feel?
B:No,this is some thing that is so.
什么是this is sth that is so
2.
"We come back full circle really because."
什么叫come back full circle
3.
"You were encouraged to play cricket and football so forth because it fequired a team effort."
字典里只有so far,没有so forth的说~so forth啥意思?
4.
最后一个：if people abroad think that the English gentle man is someone who is clean of limb,I can assure you he's not.
"clean of limb"是什么?