Sometimes the professors are so wrapped up in their graduate students, they ignore the undergraduates.有时候教授们把注意力全放在研究生身上而忽略了本科生。There was a freshness and enthusiasm about the new students.新生身上散发出饱满的精神和激情。The task fell to Mr Harris to deliver this bad news. It was gracelessly done.宣布这一坏消息的任务落到了哈里斯先生身上，结果他处理得很不妥当。