释义：擅长游泳的人容易溺水，擅长骑马的人容易摔跤。

The rise of China and the resurgence of Russia have challenged the idea that liberal democracy is the only viable form of government.

作家的职责是扰乱平静。

The teacher is not in school to impose certain ideas or to form certain habits in the child, but is there as a member of the community to select the influences which shall affect the child and to assist him in properly responding to those influences.