However, it is important to learn how to use proper language.

然而，学习如何使用恰当的语言是重要的。

youdao

Don't swear (curse) or talk rudely in tone. Use proper language.

不要辱骂(诅咒)或用粗鲁的语调说话。用适当的语言。

youdao

The basic idea is getting the proper language at installation time, or through the use of optional packs.

基本的思路是：在安装时获取合适的语言，或者通过使用可选包来改变程序语言。

youdao

If you do not have the acknowledgement, with the proper language, do not file your return, yet.

FORBES: Charity President Needed To Write Herself A Letter To Claim Charitable Deduction

You may have some valid technical grounds for fighting, such as the eviction notice not having the proper language or rent amount.

WSJ: Finding Help on the Brink of Eviction--WSJ House Talk

We're making sure that anyone studying a degree-level course has a proper grasp of the English language.

BBC: In full: David Cameron immigration speech