eavesdrop
/ˈiːvzdrɒp/verb
eavesdropped, eavesdropping
no obj. secretly listen to a conversation偷听, 窃听：she opened the window just enough to eavesdrop on the conversation outside.
她把窗户打开一道缝, 刚好能偷听到外面的谈话。
派生词
eavesdropper
noun词源
early 17th cent.: back-formation from eavesdropper (late Middle English) 'a person who listens from under the eaves', from the obsolete noun eavesdrop 'the ground on to which water drips from the eaves', probably from Old Norse upsardropi, from ups 'eaves' + dropi a 'drop'.