3.All I have to do is learn English.我所要做的就是学英语。
4.Are you free tomorrow?你明天有空吗?
5.Are you married? 你结婚了吗?
6.Are you used to the food here? 你习惯吃这儿的饭菜吗?
8.Be my guest.请便/别客气。
9.Better late than never.迟到总比不到好
10.Better luck next time. 祝你下一次好运。
11.Better safe than sorry.小心不出大错。
12.Can I have a day off?我能请一天假吗?
13.Can I help?要我帮忙吗?
14.Can I take a message?要我传话吗
15.Can I take a rain check?你能改天再请我吗?
16.Can I take your order?您要点菜吗
17.Can you give me a wake-up call?你能打电话叫醒我吗
18.Can you give me some feedback?你能给我一些建议吗?
19.Can you make it?你能来吗
20.Can I have a word with you?我能跟你谈一谈吗?
21.Cath me later.过会儿再来找我
23.Come in and make yourself at home.请进，别客气。
24.Could I have the bill,please?请把账单给我好吗?
25.Could you drop me off at the airport?你能载我到飞机场吗
26.Could you speak slower?你能说得慢一点吗?
27.Could you take a picture for me?你能帮我拍照吗
28.Did you enjoy your flight?你的飞行旅途愉快吗?
29.Did you have a good day today?你今天过得好吗?
30.Did you have a nice holiday? 你假期过得愉快吗?
31.Did you have fun?你玩得开心吗?
32.Dinner is on me.晚饭我请客。
33.Do you have a room available?你们有空房间吗?
34.Do you have any hobbies?你有什么爱好?
35.Do you have some change?你有零钱吗?
36. Do you mind my smoking?你介意我抽烟吗?
37.Do you often work out?你经常锻炼身体吗?
38.Do you speak English?你会说英语吗?
39.Don't be so modest. 别这么谦虚。
41.Don't get me wrong.别误会我。
42.Don't give up. 别放弃。
43.Don't jump to conclusions.不要急于下结论。
44.Don't let me down.别让我失望。
45.Don't make any mistakes.别出差错。
46.Don't mention it.不必客气。
47.Don't miss the boat.不要坐失良机。
48.Don't take any chances.不要心存侥幸。
49.Don't take it for granted. 不要想当然。
50.Don't worry about it.别担心。