The dinner was delicious, but the dessert was 'mediocre'.
The critics dismissed him as a 'mediocre' actor.
The carpenter did a 'mediocre' job.
(..) You know? I tried being a writer, but... I hate what I write. And I tried taking pictures, but they're so mediocre, you know. Every girl goes through a photography phase. You know, like horses? You know? Take, uh, dumb pictures of your feet. You'll figure that out. I'm not worried about you. (..)2003 Lost in Translation