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。