code mixing

Translation is the smallest part of multilingual AI UX. The interviewer wants script choice, code-mixing, voice, cultural norms, and honest handling of languages where quality is weaker.

Translation through English helped low-resource Indian languages and hurt Hindi in one benchmark. Route by language, protect what must not be translated and measure on your own customers' messages.

A translated English eval set can miss code-switching, transliteration and local support needs. Decide what to sample in each language and who can judge the replies.