The idiom "so far so good" is an expression that means something is going well or as expected, up to a certain point. It's used when the situation is still unfolding and there may be more to come. The phrase can also suggest caution or a reminder to not get too complacent.

The idiom "come on" can be used to express excitement, urgency, or encouragement. It is often used to urge someone to join in or participate in an activity, or to hurry up and complete a task.

The idiom "eat humble pie" is used to describe a situation where someone has made a mistake or committed an error, and they are forced to admit their fault and apologize.

"Under fire" is an idiomatic expression that means to be in a difficult or challenging situation, often involving criticism or opposition from others. The phrase can also refer to being under attack or facing adversity in general.

The idiom "take aback" means to be surprised, shocked or taken aback by something unexpected or unpleasant that one has experienced.