1. Love is meant to be a spirit that works in painful situations.
    爱应该是一种能缓解痛苦的精神力量。

2. Learning to tolerate a stranger's habits may teach undergraduates flexibility and the art of compromise, but the learning process is often painful.
    学会容忍陌生人的习惯，可使大学生学会灵活应变和妥协的艺术，但这往往是一个十分痛苦的过程。

3. It is always wiser and safer to face up to reality, however painful it may be at the moment.
    遇事采取面对现实的态度总是比较明智和稳妥的，尽管会有暂时的痛苦。