氷ひょう山ざんの一いっ角かく

expression, noun

tip of the iceberg

Idiomatic expression meaning that what is visible is only a small part of a much larger, often hidden, whole. Used in both literal and figurative contexts.

• 今こん回かいの不ふ祥しょう事じは氷ひょう山ざんの一いっ角かくに過すぎない。

  This scandal is just the tip of the iceberg.

• 彼かれの知ち識しきは氷ひょう山ざんの一いっ角かくだ。

  His knowledge is only the tip of the iceberg.