可悲 (kě bēi): น่าเศร้า

He doesn't even care when his parents are sick, just to make money; it's truly lamentable.

War shatters countless families; no one wants to see such a lamentable outcome.

She clearly has talent, yet gives up her dream because she fears failure; it's truly lamentable.

That lamentable liar was eventually seen through by everyone and could only hide alone in a corner.

Environmental pollution is getting worse; if people continue to ignore it, the lamentable consequences will be irreversible.