He's too young to understand the ways of the world.

　　他還太年輕，不懂得處世之道。

　　She began to study the ways of the Native Americans.

　　她開始研究土著印第安人的習(xí)俗。

　　They were both well schooled in the ways of the Army.

　　他們倆都受過良好的陸軍訓(xùn)練。