Tune a fish
It needed to be checked out it had a bloated appendix.
The kind of soldier that's always shooting his mouth off.
Partial arts.
A nomad.
Because they don't swim in pairs. Are there two of those fish? Nahhh.
A neurosturgeon
You can tune a piano, but you can't piano a tuna.
You can tune a guitar but you can't tuna fish.