Excel: to be extremely good at something:
Rebecca always excelled in languages at school.
To do something better than you usually do:
The British team have excelled themselves this year to reach the finals.
the fact that you are obliged to do something:
If you have not signed a contract, you are under no obligation to (= it is not necessary to) pay them any money.
You have a legal obligation to (= the law says you must) ensure your child receives an education.
something that you must do:
I don’t have time to do his work for him – I have too many obligations as it is.
1 President Obama’s Message for America’s Students
Gepubliceerd op 8 sep. 2009
2 The President’s Back to School Speech
Gepubliceerd op 14 sep. 2010
3 Barack Obama confesses that he has Michelle to keep his ego in check//Did you know that
21 dec. 2019
7 ENGLISH SPEECH | BARACK OBAMA: The People of India (English Subtitles)
6 aug. 2022
11 President Obama Makes Historic Speech to America’s Students – English subtitles