このかばん、安やすいけど丈夫じょうぶだよ。

kono kaban, yasui kedo joubu da yo.

This bag is cheap, but it's sturdy. casual

祖父そふは八十はちじゅうを過すぎても体からだが丈夫じょうぶです。

sofu wa hachijuu o sugite mo karada ga joubu desu.

My grandfather is still in robust health past eighty. neutral