一个人堕入爱河一如他失足于楼梯上是一场意外然而他逃避爱情时就如同逃债确是有心和故意的
When a person falls in love, it is as accidental as when he stumbles on the stairs. However, when he evades love, it is like running away from debts, which is indeed intentional and deliberate
以上为机器翻译结果，长、整句建议使用 人工翻译 。