The wild card in the picture is eastern Europe.

局势中的未知因素在东欧。

《柯林斯英汉双解大词典》

And on the front of the card was a picture, a cartoon, of a little boy wearing a hardhat and driving a tractor.

在贺卡的正面有一幅画，一幅卡通画，是一个小男孩戴着一个安全帽在开一辆拖拉机。

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Draw a picture on the card.

在这张卡片上画一张图。

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