by love的用法和樣例：
例句
- Repentance for sin motivated by fear of punishment rather than by love of God.
不徹底的懺悔出於害怕被懲罰而對自己罪的懊悔，並非出於對上帝的愛 - So deeply affected by love as to be unable to act normally.
害相思病的被愛戀弄得不能正常生活或工作的 - Lovers live by love, as larks live by leeks.
情侶靠愛情生活，正象雲雀靠韭蔥生活一樣。 - He is enslaved by love.
他正沉溺於愛情。
