Japanese phrase
いえいえ、そんなことないです。 i e i e so n na ko to na i de su
Meaning
Not at all.
When to use it
A modest response to praise or a kind evaluation. It softly suggests that the positive comment is more generous than the speaker deserves.
Example dialogue
日本語、お上手ですね。 nihon go o jō zu de su ne
Your Japanese is very good.
いえいえ、そんなことないです。 i e i e so n na ko to na i de su
Not at all.