In other words, prove your worth with action or swallow the hurt and never complain.
Wits, plural, refer to one’s mental sharpness, awareness, composure, resourcefulness.
We get ahead of ourselves by doing or planning for something before its proper time.
You raise your fingers up in the air to simulate quotation marks (“…”).
Banana skin represents anything that may not appear to be problematic but potentially can create a problem for you.
If you are out of the loop, that is, you don't know what's going on.
The tape was also known as, well, film, because the tapes were the same flimsy material used in film making.