have an ace up your sleeve故事典故

Question

have an ace up your sleeve的故事典故，想請教英文高手跟我說一下好嗎？

我爸雖然就是英文名師，但他叫要自己查，所以我來問大家

Answer 1

Ace up your sleeve   Meaning:A surprise or secret advantage, especially something tricky that is kept hidden until needed.Origin:In the 1500s, most people didn’t have pockets in their clothes, so they kept things in their sleeves. Later on, magicians hid objects, even small live animals, up their sleeves and then pulled them out unexpectedly to surprise their audiences. In the 1800s dishonest card players secretly slipped a winning card, often an ace, up their sleeves and pulled it out when nobody was looking.

Answer 2

A good site chiate had offered!