Siri is multi-lingual. in iOS it can translate phrases or ask the meaning of a foreign word. Here’s how:
Ask in English how to say something in Mandarin, Spanish, French, German, or Italian. Siri will translate the phrase. You can also use Type to Siri for translation.
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To activate Type to Siri, go to Settings>General>Accessibility>Siri. Toggle Type to Siri, and you’re ready to go. Now, when you long-press the Home button to invoke the personal digital assistant, the standard virtual keyboard pops up with a “What can I help you with?” message displayed above it.