Wild card
n. 未知数; 外卡; 通配符
📖 牛津释义
wild card
(in card-games) playing-card that has been given the value of certain other cards （纸牌戏中的）百搭牌.
🧩 词语组成解析
wild
[waɪld]
adj. 野生的;野蛮的;狂热的;荒凉的;
n. 荒野;未开化的地方;偏远地区;人烟稀少的地区;
adv. 疯狂地;胡乱地;
card
[kɑrd]
n. 卡片;纸牌;明信片;信用卡;
vt. 记于卡片上;
🗣️ 情景例句
We are prepared for the worst.
我们已有最坏的打算。
Would you please tell me your phone number so that we'll ring you up as soon as the remittance arrives?
您能否把电话号码告诉我，以便汇款一到就给您打电话？
because balloons can be a great danger to aircraft.
因为气球有可能给飞机造成极大的危险。