47、Mind/(Watch)your step.

请走好。

48、Please be careful.

请当心。

49、Please don't leave anything behind.

请别遗忘您的东西。

50、Don't worry.

别担心。

51、Take it easy.

放心好了。

52、Please don't smoke here.

请不要在这边抽烟。

53、Goodbye.

再见。

54、See you late.

再见。

55、Good night.

晚安。

56、See you tomorrow.

明天见。

57、Goodbye and thank you for coming.

再见，谢谢您的光临。

58、Goodbye and hope to see you again.

再见，希望再见到您。

59、Have a nice trip!

一路平安！

60、Wish you a pleasant journey! Good luck!

祝您旅途愉快！祝您好运！