the tip of the iceberg

• 冰山一角；部分的事实或真相

the tip of the iceberg的用法和样例：

例句

1. Believe it or not, this is just the tip of the iceberg.
   信不信由你，这才只是冰山的一角。
2. What the press has reported is only the tip of the iceberg.
   见报的只是冰山的一角。
3. But this is only the tip of the iceberg.
   然而, 这仅仅是一种表面现象。

词汇搭配

• a tip of the iceberg 很小的一部分...