1. 暖和舒适的
    A house or room that is cosy is comfortable and warm.

    e.g. Downstairs there's a breakfast room and guests can relax in the cosy bar.
           楼下有一个早餐间，宾客们可以在温馨的酒吧间休息一下。

2. 感到温暖舒适的
    If you are cosy, you are comfortable and warm.

    e.g. They like to make sure their guests are comfortable and cosy.
           他们希望确保客人们感到舒适温暖。

3. 愉快的;友好的;亲切的
    You use cosy to describe activities that are pleasant and friendly, and involve people who know each other well.

cosy在线翻译

    e.g. ...a cosy chat between friends...
           朋友间亲切的闲聊
    e.g. My mood this year is for a cosy, nice and thoroughly wholesome Christmas.
           我今年想过一个温馨、愉快并且绝对健康的圣诞节。