https://online2.tingclass.net/lesson/shi0529/0009/9907/315.mp3
https://image.tingclass.net/statics/js/2012
講解文本：
old hand 經(jīng)驗老到的人，老手
He's an old hand at this game.
這個游戲他是老手了。
If you have any problems about this, ask Mary. She's an old hand.
如果你有任何問題，可向Mary請教，她是老手。
瘋狂練習(xí)吧!
