imperative
US
UK imperative adj: (necessary)
SC 必要的 bì yào de
SC 必须的 bì yào de ，bì xū de
TC 必須的
TC 必須的
It's imperative that you call us as soon as you arrive.
imperative n: (grammar: command) (语法)
SC 祈使语气 qí shǐ yǔ qì
TC 祈使語氣
TC 祈使語氣
The imperative in English looks just like the infinitive.
imperative n: (necessity, obligation)
SC 必须的事，必要的事 bì xū de shì，bì yào de shì
SC 必须履行的责任 bì xū lǚ xíng de zé rèn
The treaty lists several imperatives for both parties.
imperative adj: (grammar: relating to command) (语法)
SC 祈使的
The students learned about the imperative form in school today.