tā / píng / shí / hěn / ān / jìng / dàn / liáo / qǐ / zhuān / yè / lǐng / yù / jiù / kǎn / kǎn / ér / tán

她平时很安静，但聊起专业领域就侃侃而谈。

She is usually quiet, but when it comes to her professional field, she speaks with confidence and ease.