重要
ought
/ɔːt/📚 1767 53 3四级六级考研高考You use ought to to mean that it is morally right to do a particular thing or that it is morally right for a particular situation to exist. (指合乎道义) 应该
pronoun [指示代词]任何事物（=aught）
He ought to have reached the house some time ago. 他到达那所房子应该有一段时间了。
verb [情态动词]应该（表义务、责任、必要等）；应该（表期望）
You ought to give up smoking. 你应该戒烟。
单词造句:
modal verb 应该
ought to do sth. 应该(义务上)
- You ought to knock at the door.
should do sth. 应该(我认为)
- You should knock at the door.