(1)欠(债)(be in debt to)[I+prep，T+n，T+n+prep(for)，D+n+n，D+n+prep(to)]：Do I still～for the tickets? 我还欠着票钱吗?He still～s $100.他还欠100美元。She still～s the butcher for the meat she had last Sunday.她还欠着肉铺上星期日的肉钱。I～my tailor ￡50.我欠我的裁缝50英镑。She～s (us) $100(for our goods).她欠(我们)100美元(货款)。

(2)将某事物归因(源，功)于……(have or possess as sth derived from or bestowed by)[D+n+prep(to)]：～one's success to luck/ability/sb 把一个人的成功归因于运气/能力/某人;Western civilization～s much to ancient Greeks.西方文明在很大程度上归功于古希腊人。I～my life to you.多亏你救了我。We～the general theory of relativity to Einstein.多亏爱因斯坦，我们才会有广义相对论。

(3)对某人有义务(应尽责)(be under an obligation to give)[D+n+n，D+n+prep(to)]：Neither he nor I～them any explanation.他和我都没有必要对他们作解释。The bank and its customer～large number of obligations to one another.银行和客户之间彼此对对方都负有很多义务。

(4)感激(恩)(feel the need to thank sb because of sth)[D+n+n，D+n+prep(to)]：We～our parents a lot.我们得好好感谢父母对我们的养育之恩。I～you many thanks.我得好好谢谢你.We～a great deal to our friends.我们得深深感谢我们的朋友。

→′owing adj 未付(欠着);′owing to prep 由于，因为;

【辨异】owing to与due to、thanks to和because of的区别见BECAUSE。