Translation of "Respectful" in Chinese

Be respectful to your superiors, if you have any.

如果你有上司的话，学会尊敬他（她）。

He is always very respectful of his wife's opinions.

他总是很尊重妻子的意见。

One must be respectful when speaking, and not say obscene things.

开口要有礼貌，不讲下流话。