Use 'bring under control' when someone takes immediate steps to address a situation or behavior.

Immediate Action

This phrase suggests a person's ability to lead by dealing with challenging circumstances effectively.

Leadership Quality

'Get under control' is often about stopping things from deteriorating, not necessarily fixing them completely.

Use it when an issue is escalating and needs to be constrained or reversed.

Emphasizes consistent, ongoing efforts to maintain a stable state, not just a one-time solution.

Refers to managing a situation or condition over an extended period, often indefinitely.

The phrase is used when the challenge is ongoing, even if currently managed.