Japanese phrase
なるほど。 na ru ho do
Meaning
I see.
When to use it
Shows that new information is understood. It often responds to an explanation and can sound thoughtful rather than strongly emotional.
Example dialogue
この店は現金だけです。 ko no mise wa gen kin da ke de su
This shop accepts cash only.
なるほど。カードは使えないんですね。 na ru ho do kā do wa tsuka e na i n de su ne
I see. So I cannot use a card here.