41. Give me a hand. 帮帮我。
42. How is it going? 怎么样？
43. I have no idea. 我没头绪。
44. I just made it. 我做到了。
45. I'll see to it. 我会留意的。
46. I am in a hurry. 我赶时间。
47. It's her field. 这是他的本行。
48. It's up to you. 由你决定。
49. You have my word. 我保证。
50. Believe it or not! 信不信由你。