Hello, this is [Name] speaking. 你好,我是 [姓名]。 May I ask who's calling? 我可以问问您是哪位吗? I'm calling about [purpose]. 我是打电话来询问/沟通 [目的]。 Could you please hold for a moment? 请稍等一下,好吗? Sorry, I didn't catch that. Could you please repeat it? 抱歉,我没听清楚。能再说一遍吗? Thank you for calling. 感谢您的来电。 Can I take a message? 我可以帮您留言吗? I'll transfer you to the right person. 我会把您转接到正确的人。 I'm afraid he/she is not available right now. 很抱歉,他/她现在不在。 Could you call back later? 您可以稍后再打过来吗? I'm returning your call. 我是回电给您的。 I'm sorry, I have a bad connection. Can you hear me now? 对不起,我这里信号不太好。您现在能听清吗? Can you please speak louder/slower? 能不能请您说得大声点/慢点? I'm calling to confirm [details]. 我是打电话来确认 [细节]。 Could you please spell your name for me? 您能为我拼写一下您的名字吗? I'll send you an email with the details. 我会给您发一封带有详细信息的邮件。 Is there a convenient time for us to talk? 我们有什么方便的时间能够通话吗? I'm sorry, I think you have the wrong number. 对不起,我觉得您打错号码了。 Can you please repeat your phone number? 您能把您的电话号码再说一遍吗? I'm sorry, I can't talk right now. Can I call you back in 10 minutes? 对不起,我现在不能谈话。我能在10分钟后回电吗?