作为父母，你有义务照顾好你的孩子。

As parents, you are ___obliged to take care of your children.

我非常感激你在我生病时照顾我的猫。

I'm really ___obliged to you for taking care of my cat while I was ill.

由于火车罢工，我们不得不改乘出租车去机场。

Because of the train strike, we were ___obliged to take a taxi to the airport.