【Hsu Baleng】評論
listen to 表示"靜靜地聽"的意思，多半用於已被聽見的場合。Fellow students，you should listen to what the teacher says carefully.listen for 表示"用心傾聽"之意，目的是要找出聲音來，多用於尚未聽到的場合。Annie will come in any moment；we are all listening for her footsteps.listen in 表示"傾聽"之意，但它專用於指"收聽無線電或廣播"；也可解作"偷聽"。I listened in to the President this morning. listen in to a private conversation http://www.kekenet.com/word/43574.shtml