/pɜ:k ||; pɝk/verbperk (sb/sth) up to become or make sb become happier and have more energy （使）振作起来，高兴起来，活跃起来
perk²
/pɜ:k ||; pɝk/noun [C] (informal 非正式) something extra that you get from your employer in addition to money 额外收入；特殊待遇: Travelling abroad is one of the perks of the job.可以到国外旅行是这份工作的好处之一。