cuddle up
phrasal verb with cuddle verb [ I or T ] uk/ˈkʌd.əl/ us/ˈkʌd.əl/
informal
依偎着，紧贴着坐（或躺）
to sit or lie very close to someone and put your arms around them
We cuddled up together and tried to get warm. 我们挤在一起，想借此取暖。
She cuddled up to her mother. 她依偎在母亲身旁。