No.1 Poker face 脸上毫无表情，不露声色1)It's like when you play poker. You don't want the other players to know if you have good or bad cards by acting happy or sad, so you put on your poker face.这就像你在玩扑克牌。
你不想让别人从你脸上或喜悦或悲伤的表情看出你手上牌好坏，所以你就不露声色，一副扑克牌脸。
2)I never know whether my boss likes my work or not -- he is a real poker face!我从来也不知道我的老板到底喜不喜欢我的工作。他脸上可真是一点表情都没有。
3) I tried to keep a poker face even though I was scared to death when I went back to my doctor to hear the results of my lab tests.当我去医生那里去看试验结果的时候，我害怕得要死。可是我尽量装得若无其事。No.2 A wild card 难预测;未知数Dai said this was a hope, though it was a wild card.
