switch up

verb

(intransitive, slang) To change, usually in regards to how one feels, thinks, or behaves.

I like to switch up my workout routine to keep it interesting.

意味（1）

(intransitive, slang) To change, usually in regards to how one feels, thinks, or behaves.

People will switch up on you in the middle of the stream and just as soon as you turn your back they will stab you in it.