I don't know about perfecting but they want at least to be able to communicate decently.

我不知道如何完善，但他们想要至少能够得体地交流。

youdao

The children do not know how to behave themselves decently.

小孩子不懂如何举止得体。

《新英汉大辞典》

If it's a decently sized program, it's going to have a lot of functions and procedures.

一个正常大小的程序往往都会有大量的函数和过程。

youdao

And decently reclothed, I enter the ancient courts of ancient men, where received by them lovingly, I feed on the food that alone is mine and that I was born for.

合宜更衣之后，我进入先贤的远古殿堂，他们都热情地接待我，我饱食专属我个人的丰美知识,那也是我生来应做的事。

耶鲁公开课 - 政治哲学导论课程节选

We have had a decently cold winter, much of it coming late in the season.

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Recent readings on the economy confirm that the expansion is proceeding decently and stocks have rallied.

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The AI controlling the NPC marines and adversaries is decently smart, which livens up combat.

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