The recent data breach is just the tip of the iceberg; there are likely many more vulnerabilities we haven't discovered yet
This small protest is only the tip of the iceberg of public dissatisfaction with the government's policies
The reported cases of fraud are likely the tip of the iceberg, with many more incidents going unreported
While the initial symptoms were mild, the doctor warned that this could be the tip of the iceberg of a more serious illness
The limited success of the new product is just the tip of the iceberg; the company faces significant challenges ahead
We've only dealt with a fraction of the problems; this is truly the tip of the iceberg
The economic downturn revealed the tip of the iceberg of debt accumulated by many households
This discovery is merely the tip of the iceberg; scientists believe there's much more to learn about the universe
The current layoffs are just the tip of the iceberg as the company struggles to adapt to market changes
What we've seen so far is only the tip of the iceberg regarding the scale of the environmental disaster
This problem is far bigger than it seems.
I agree, this is just the tip of the iceberg.
We need to find out the real extent of it.
This is just the tip of the iceberg; much more is hidden
This is only a small part of a much larger issue
We've only seen the beginning of what's really going on