“Hold on to your hat” nghĩa là gì?

Ví dụ

The Titans' loss to the Browns provided a road map for enemies: Cause mistakes early, build a lead and hang on to your hat. 

Hang on to your hat next couple of days; Temperatures plunge. A much advertised weather system moving on-shore over the northwest United States is going to bring big changes to Nebraska over the next 24 to 72 hours.

That which unifies (thống nhất) our humanity is the theme of 2021, which could spark great resistance (sức cản) from those still stuck in the old paradigm (mô hình), and who resist the inevitability of collective change. The world as we know it will never be the same again. Hold on to your hat!

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