hunker down 
phrasal verb with hunker verb uk/ˈhʌŋ.kər/ us/ˈhʌŋ.kɚ/
  US         
 蹲着,蹲坐
to sit down on your heels
  We hunkered down around the campfire, toasting marshmallows. 我们蹲在篝火旁烤软糖饼吃。 
  蹲守;准备长期呆在某处
to make yourself comfortable in a place or situation, or to prepare to stay in a place or position for a long time, usually in order to achieve something or for protection
  The press have hunkered down for the night outside the palace, waiting for news of the royal birth. 媒体在王宫外守候了一夜,等候王室添丁的消息。