SUCCESS and FAILURE

(an) ace in the hole

A poker term wihch means an advantage or resource kept hidden until needed. "Our candidate has an ace in the hole that will ensure victory ... you'll see!"

(have an) ace up your sleeve

If you have an ace up your sleeve, you have something in reserve with which you can gain an advantage and obtain success. "I'm well prepared for the negotiations. I've got an ace up my sleeve"

ace a test

If you obtain a very high score or an excellent result, you ace a test or exam. "Maria's parents said she could go to the party if she aced her English test."

have the world by its tail

Someone who has the world by its tail is very successful and has many opportunities to choose from. "Due to her intelligence and hard work, she now has the world by its tail."