Definition from Wiktionary, the free dictionary
|Kanji in this term|
enryo naku dōzo.
- Please do not hesitate.
- to restrain oneself; to have restraint; to be reserved; to hold back
- to refrain from (doing something)
- to stand on ceremony
Usage notes 
- When used in response to a request or offer, this can be translated as no thanks or "I'm fine, thanks."