あの人ひと、ちょっと立場たちばをわきまえたほうがいいと思おもう。

ano hito, chotto tachiba o wakimaeta hou ga ii to omou.

I think that person should be a bit more mindful of their position. casual

彼かれは礼儀れいぎをわきまえた人ひとです。

kare wa reigi o wakimaeta hito desu.

He's a person who understands proper manners. neutral