C-4：chew the fat (with) 闲聊 A:The teacher was too hard on his students, especially on the boys. A：老师对学生要求太严了，尤其对男生。 B:Yeah, I agree, But some boys were chewing the fat in class. B:是的，我同意。...

C-3：chalk talk 边板书边讲话 A:What is Mary doing with her friends? A:玛丽和她的小伙伴们在干吗？ B:Shes giving them a chalk talk of a mathematies problem. B：她正连写带画地给他们讲一道数学题呢。 A:Shes...

C-2：catch-22 左右为难之境 A:Why not continue your schooling? Youve to get a diploma to earn more money. A:为什么不继续上学呢？要赚更多的钱就要有文凭。 B:But I need more money before I go to school. B:但是我现...

C-1: catch up with 赶上 A:I really want to give up my studies. A:我真想放弃我的学业了。 B:What? How can you say so? B:什么？你怎么能这么说呢？ A:I cant catch up with my classmates, I cant follow the teacher in class...

B-36：burn the midnight oil 熬夜工作 A：You look sleepy. Have you been burning the midnight oil recently? A: 你看上去很困。最近是不是熬夜用功呢？ B: Yes, Ive been preparing for my finals. B：是啊。我一直在准备...

B-35：buckle down on 开始认真地干 A：I dont know why you change your mind. You are looking forward to traveling abroad, arent you? A: 我不明白你为什么改变主意。你不是一直渴望到国外去旅游吗？ B: Yeah. But...

B-34：brush up 复习 A: What are you doing these days? A: 你最近在忙什么？ B: Im brushing up my Japanese. B：我正在复习日语。 A: Reviewing your Japanese? What for? A：复习日语？为什么？ B: Im preparing for the e...

B-33: brown off 惹恼 A: When will you be meeting your grammar teacher, John? A: 约翰，你什么时候见语法老师？ B: Next Monday. B：下周一。 A: Can I attend his lectures for a few times? A: 我可以参加几次他的讲座吗...

B-32: bring to oneself 苏醒 A: Tom has made everything at sixes and sevens. A：汤姆把每件事都搞得乱七八糟的。 B: I know someone can teach him a lesson. B：我知道有人能给他点教训。 A: Who? A：谁？ B: I think...

B-31：bring (sb./sth.) up 提起 A: What are the students doing now? A: 那些学生现在在干什么？ B: They are having a meeting. B：他们正在开会。 A: What are they discussing? A：他们在讨论什么呢？ B: They brought...