/ˈɑːt/
情态动词
(表示做某事有必要、值得或有利)应该,应当
You ought to be kinder to him.
你应该对他好一点。
(表示期望某事发生)该,应该
He ought to be home by seven o'clock.
7点前他应该到家了。
想跟读,去练习