Level 6 · word 16,083 of 20,000 pesky /ˈpeski/ American adj. 讨厌的, 恼人的 Definitionadj. annoying or causing troubleExampleA pesky fly kept buzzing around our picnic table.一只讨厌的苍蝇在我们的野餐桌旁嗡嗡打转。