1.Come and see me sometimes.随时来玩。 　　Come and see me sometimes./Come and visit from time to time. 　　from time to time有时 　　Drop by sometime./You are always welcome to visit. 　　2.Let' stalk late。下次再聊。 　　Let's talk later./We can go over this later. 　　3. I Drop in again when you' re free.希望你还能再来。 　　Drop in again when you're free./Please drop in whenever you have time. 　　4.I hope you' II have a pleasant trip.祝你旅途愉快。 　　Have a good day./Have a nice weekend. 　　I wish you a pleasant journey./I hope you'll have a pleasant trip. 　　短对话 　　A:It's time for me to go.我该走了。 　　B:Drop in again when you're free.好的，有空常来。 　　A:OK. Have a good day.-定，希望你愉快一整天。

  　　5.Please give my best regards to your family.转达问候。 　　Please give my best regards to your family./Best wishes to your parents. 　　Remember me to your mother./Mention me to Jim. 　　Say hello to your wife for me./Thanks for dropping in. 　　6.Keep in touch!保持联系。 　　Keep in touch!/Don't forget to call me./I will call you. 　　7.See you there.下次见面。 　　See you there./Expect to see you there./Let's meet up on Friday. 　　Let's get together tomorrow./A will see you this Sunday. 　　短对话 　　A:I must be going now. Please give my best regards to your family.我得走了。代我向你的家人问好。 　　B:All right. Keep in touch!好的，保持联系。