run down

phrasal verbPart ofrun

run down — phrasal verb

1. To criticize someone or something in an unfair way, or to lose energy or power.

1.片語動詞
釋義

To criticize someone or something in an unfair way, or to lose energy or power.

例句

He's always running down his coworkers behind their backs.

The battery in my phone has run down again.