lurk
动词 lurk:
lie in wait, lie in ambush, behave in a sneaky and secretive manner
同义词:skulk
be about
同义词:loiter, lounge, footle, lollygag, loaf, lallygag, hang around, mess about, tarry, linger, mill about, mill around
wait in hiding to attack
同义词:ambush, scupper, bushwhack, waylay, ambuscade, lie in wait