what is "Kingston Bridge trick"?
Here is a sentence:
She was using the Kingston Bridge trick—bending all the trumps very lightly each time they passed through her hands."
The girl was a vagrant in London,and she was good at gamble.Maybe it means cheating in playing cards?But why "Kingston Bridge trick"?

Question

what is "Kingston Bridge trick"?
Here is a sentence:
She was using the Kingston Bridge trick—bending all the trumps very lightly each time they passed through her hands."
The girl was a vagrant in London,and she was good at gamble.Maybe it means cheating in playing cards?But why "Kingston Bridge trick"?

Answer

If it's not clear from my last answer, this is what the real Kingston Bridge looks like:

http://upload.wikimedia.org/wikipedia/commons/1/14/Kingston_Bridge2.jpg

So, you can imagine cards being bent so that they don't sit flat.

Answer

Peachey already answered your question: http://www.italki.com/question/258678