103.I mean what I say.
我说话算数。

104.I owe you one.
我欠你一个人情。

105.I really regret it.
我真的非常后悔。

106.I suppose so.
我想是这样。

107.I thought so, too.
我也这样以为。

108.I understand completely.
我完全明白。

109.I want to report a theft.
我要报一宗盗窃案。

110.I want to reserve a room.
我想预定一个房间。

111.I was just about to call you.
我正准备打电话给你。

112.I was moved.= I was touched.
我很受感动。

113.I wasn't aware of that.
我没有意识到。

114.I wasn't born yesterday.
我又不是三岁小孩。

115.I wish I could.
但愿我能。

116.I wouldn't worry about it, if I were you.
如果我是你，我就不会担心。

117.I'd like a refund.
我想要退款。

118.I'd like to deposit some money.
我想存点儿钱。

119.I'd like to make a reservation.
我想订票。

120.I'll be right with you.
我马上就来。

121.I'll check it.
我去查一下。

122.I'll do my best.
我将会尽我最大努力。

123.I'll get it.
我去接电话。

124.I'll give you a hand.
我来帮助你。

125.I'll have to see about that.
这事儿我得想一想再定。

126.I'll keep my eyes open.
我会留意的。

127.I'll keep that in mind.
我会记住的。

128.I'll pick up the tab.
我来付帐。

129.I'll play it by ear.
我将随兴而定。

130.I'll see what I can do.
我看一看能怎么办。

131.I'll show you.
我指给你看。

132.I'll take care of it.
我来办这件事。

133.I'll take it.
我要了。

134.I'll take your advice.
我接受你的忠告。

135.I'll think it over.
我仔细考虑一下。

136.I'll treat you to diner.
我想请你吃晚饭。

137.I'll walk you to the door.
我送你到门口。

138.I'm broke.
我身无分文。

139.I'm crazy about English.
我非常喜欢英语。

140.I'm easy to please.
我很随和。

141.I'm glad to hear that.
听到这消息我很高兴。

142.I'm glad you enjoyed it.
你喜欢我就高兴。

143.I'm good at it.
我做这个很在行。

144.I'm in a good mood.
我现在心情很好。

145.I'm in good shape.
我的身体状况很好。

146.I'm just having a look.
我只是随便看看。

147.I'm looking for a part-time job.
我正在找兼职工作。

148.I'm looking forward to it.
我盼望着这件事。

149.I'm lost.
我给搞糊涂了。

150.I'm not feeling well.
我感觉不舒服。

151.I'm not myself today.
我今天心神不宁。

152.I'm not really sure.
我不太清楚。

153.I'm on a diet.
我正在节食。

154.I'm on my way.
我这就上路。

155.I'm pressed for time.
我赶时间。

156.I'm sorry I'm late.
对不起，我迟到了。

157.I'm sorry to hear that.
听到这个消息我感到很遗憾。

158.I'm under a lot of pressure.
我的压力很大。

159.I'm working on it.
我正在努力。

160.I've changed my mind.
我已经改变主意。

161.I've got a headache.
我头痛。

162.I've got my hands full.
我手头正忙。

163.I've got news for you.
我要告诉你一个好消息。

164.I've got no idea.
我不知道。

165.I've had enough.
我已经吃饱了。

166.If I were in your shoes.
如果我站在你的立场上。

167.Is that OK?
这样可以吗？

168.Is this seat taken?
这位子有人坐吗？

169.It all depends.
视情形而定。

170.It can happen to anyone.
这事可能发生在任何人身上。

171.It doesn't make any difference.
都一样。

172.It doesn't matter to me.
这对我来说无所谓。

173.It doesn't work.
它出故障了。

174.It drives me crazy.
他使我快要发疯了。

175.It isn't much.
这是微不足道的。

176.It really comes in handy.
有了它真是方便。

177.It slipped my mind.
我不留神忘了。

178.It takes time.
这需要时间。

179.It will come to me.
我会想起来的。

180.It will do you good.
这会对你有好处。

181.It won't happen again.
下不为例。

182.It won't take much time.
不会发很多时间的。

183.It won't work.
行不通。

184.It's nice meeting you.
很高兴认识你。

185.It's a deal.
一言为定。

186.It's a long story.
真是一言难尽。

187.It's a nice day today.
今天天气很好。

188.It's a once in a lifetime chance.
这是一生难得的机会。

189.It's a pain in the neck.
这真是苦不堪言。

190.It's a piece of cake.
这很容易。

191.It's a small world.
这世界真小。

192.It's a waste of time.
这是浪费时间。

193.It's about time.
时间差不多了／是时候了。

194.It's all my fault.
都是我的错。

195.It's awesome.
棒极了。

196.It's awful.
真糟糕。

197.It's been a long time.
好久不见。

198.It's better than nothing.
总比没有好。

199.It's essential.
这是必要的。