If you sit on your hands when something happens, you do nothing.
When you butter other people up, you flatter them in order to get their help.
Victor’s justice means people are worried that the person (who is currently on trial) may not get a fair trial.
If something costs a dime a dozen, it's cheap. It may not be worth your while.
This means "I" got the job because of sheer luck, not because "I" was better than others.
Bad apples refer to people who are considered to be bad influences in a group.
It takes two sides to bargain, as there are two sides to every coin.
"That's the deal" can be understood as: that's the situation, that's the arrangement.