attachyourselftosb/sth
—phrasal verbwithattachverb[T]uk/əˈtætʃ/us/əˈtætʃ/
If youattachyourself to apersonorgroup, youjoinhim, her, or it, usually for alimitedperiodoftime.
（通常在有限的时间段内）与…在一起；成为…的成员；参加
Being on his own, heattachedhimself to anoisygroupat thebar.因为就一个人，他跟酒吧里一群闹哄哄的人搭上了话。