no hay de qué angolul

my pleasure▼(a polite reaction to receiving thanks)
interjection
[UK: maɪ ˈple.ʒə(r)] [US: ˈmaɪ ˈple.ʒər]

no problem▼(no thanks or apology is necessary)
interjection
[UK: nəʊ ˈprɒ.bləm] [US: ˈnoʊ ˈprɑː.bləm]

not at all▼(conventional reply to expression of gratitude)
interjection
[UK: nɒt ət ɔːl] [US: ˈnɑːt ət ɔːl]

don't mention it▼(it is too trivial to warrant thanks)
phrase
[UK: dəʊnt ˈmen.ʃn̩ ɪt] [US: ˈdoʊnt ˈmen.ʃn̩ ˈɪt]

you're welcome▼(reply to thanks)
phrase