skulk
verb [ I usually + adv/prep ] uk/skʌlk/ us/skʌlk/
隐匿，潜伏
to hide or move around as if trying not to be seen, usually with bad intentions
I thought I saw someone skulking in the bushes - maybe we should call the police. 我好像看见有人藏在灌木丛里——也许我们应该报警。