snug          
 adjective uk/snʌɡ/ us/snʌɡ/ snugger | snuggest
 (人)感到温暖舒适的;(地方)暖和的
(of a person) feeling warm, comfortable, and protected, or (of a place, especially a small place) giving feelings of warmth, comfort, and protection
  We curled up in bed, all snug and warm, and listened to the storm outside. 我们蜷缩在床上,温暖又舒适,听着外面的暴风雨声。 
 I bet your feet are nice and snug in your fur-lined boots! 我敢说你的脚放在毛衬里的皮靴里又暖和又舒适! 
  紧身的,紧的
fitting closely
  These shoes are a bit too snug - do you have them in a larger size? 这双鞋有点儿太紧——你们有没有大一号的? 
 snug      
noun [ C ] UK uk/snʌɡ/ us/snʌɡ/ (also snuggery)
 (酒吧里的)包间,雅座
a small room or area in a pub where only a few people can sit