1. A slight or subtle accent in speech, barely noticeable but still distinguishable from a native speaker's neutral pronunciation
She has a mild accent that becomes more pronounced when she gets tired.
Ela tem um sotaque suave que se torna mais pronunciado quando está cansada.
2. A non-native accent that does not significantly impede communication or understanding
His English is fluent with only a mild accent.
Seu inglês é fluente com apenas um sotaque suave.