149、I'm lost. 150、I'm not feeling well. 151、I'm not myself today. 152、I'm not really sure. 153、I'm on a diet. 154、I'm on my way. 155、I'm pressed for time. 156、I'm sorry I'm late. 157、I'm sorry to hear that. 158、I'm under a lot of pressure. 159、I'm working on it. 160、I've changed my mind. 161、I've got a headache. 162、I've got my hands full. 163、I've got news for you. 164、I've got no idea. 165、I've had enough. 166、If I we re in your shoes. 167、Is that OK?