If you eavesdrop on someone, you listen secretly to what they are saying.
例句
The government illegally eavesdropped on his telephone conversations...政府非法竊聽了他的電話。The housemaid eavesdropped from behind the kitchen door.女傭在廚房門后偷聽。
英漢詞典釋義
vi.
偷聽(別人的談話)
He eavesdropped on our conversation.他偷聽了我們的談話。Suddenly the kids,who had been eavesdropping,flew into the room.突然間，一直在偷聽的孩子們飛進(jìn)屋來。She knew you were going to have a baby. She must have been eavesdropping on your conversation.她知道你們想有個(gè)孩子。她準(zhǔn)是總在偷聽你們的談話。
英英詞典釋義
Verb
1. listen without the speaker's knowledge;
"the jealous man was eavesdropping on his wife's conversations"