1

Question 1

outskirts

Answer 1

the parts of a town or city that are furthest from the centre:
They live on the outskirts of Milan.
Hours later we reached the outskirts of New York.

Question 2

pull sb’s leg

Answer 2

pull sb’s leg INFORMAL
to try to persuade someone to believe something which is not true as a joke:
Is it really your car or are you pulling my leg?

Question 3

to the best of my recollection

Answer 3

From what my memory tells me:

To the best of my recollection I have never seen her before.