Heated up and Pick up

Heated up adjective - Made warm or hot (`het' is a dialectal variant of `heated').

Pick up and heated up are semantically related. in strengthen topic. In some cases you can use "Pick up" instead a verb phrase "Heated up".

Pick up verb - To acquire complete knowledge, understanding, or skill in.

Heated up and pick up are semantically related. Sometimes you can replace phrase "Heated up" with "Pick up", this terms are similar.