71. To be careful! 一定要小心!

72. Do me a favor? 帮个忙，好吗?

73. Help yourself. 别客气。

74. I'm on a diet. 我在节食。

75. Keep in Touch. 保持联络。

76. Time is money. 时间就是金钱。

77. Who's calling? 是哪一位?

78. You did right. 你做得对。

79. You set me up! 你出卖我!

80. Can I help you? 我能帮你吗?

81. Enjoy yourself! 祝你玩得开心!

82. Excuse me，Sir. 先生，对不起。

83. Give me a hand! 帮帮我!

84. How's it going? 怎么样?

85. I have no idea. 我没有头绪。

86. I just made it! 我做到了!

87. I'll see to it 我会留意的。

88. I'm in a hurry! 我在赶时间!

89. It's her field. 这是她的本行。

90. It's up to you. 由你决定。