proper

Make sure you follow the proper procedure for submitting your application.

(Chinese) 确保你按照正确的程序提交申请。

It is important to use the proper tools for a specialized task like this.

(Chinese) 对于像这样专业的工作，使用恰当的工具是很重要的。

The young lady was praised for her very proper behavior at the formal dinner.

(Chinese) 这位年轻女士因在正式晚宴上非常得体的表现而受到表扬。

It isn't considered proper to speak loudly in a quiet library.

(Chinese) 在安静的图书馆里大声说话被认为是不礼貌的。