sleep on it to think more about something overnight and make a decision about it later 经过一夜的时间再仔细考虑，然后再做决定 Don't give me an answer now- sleep on it and tell me whenever you're ready. 现在别给我答复，再好好考虑一下，等你准备好了就告诉我。 I'm still not sure if I'm ready to spend that much money. Can I sleep on it? 我还不确定我是否准备好花那么多钱。能容我再考虑一下吗? I will sleep on it and give you my answer tomorrow. 容我好好考虑一晚，明天给你答复。