1. But not one pair of eyes strayed from the history books which twenty-five little girls were studying so earnestly.
    25个小女孩正在认真地学习历史，没有一双眼睛离开课本。

2. "Do you want any more books?" I now asked, earnestly regarding the boy´s serious face.
    “你还要买别的书吗？”这时我问道，热切地看着那男孩严肃的脸孔。