Five characters mapping the syllables A-dri-en-ne:
艾 (ài, 'mugwort') is a stock 'A-' character for foreign names;
德里 (délǐ) handles 'dri';
恩 (ēn) handles 'en';
娜 (nà) is the standard feminine name-ender (also seen in
安娜 Anna,
戴安娜 Diana).
娜 signals female gender to Chinese readers even before they know the name.