1. We will go to the airport to welcome a guest.
我们将前往机场迎接贵宾。
还能这样说：
We have to go to the airport to meet a guest.
We are going to greet a guest at the airport.
谚语：
A bad conscience is a snake in one's heart.
做贼心虚。

2. Did you have a nice flight?
飞行愉快吗？
还能这样说：
Was it a nice flight?
Did you have a pleasant flight?
谚语：
A fair death honors the whole life.
死得其所，流芳百世。

3. It's a great honor to meet you.
认识您真是我的荣幸。
还能这样说：
I am honored to meet you.
I have the honor to meet you.
应用解析：
an honor to sth./sb. 给某事物/某人争光的人或事物

4. Can I get you something to drink?
您要喝点什么？
还能这样说：
What would you like to drink?
Would you like something to drink?
应用解析：
drink a person's health 为某人的健康干杯；
drink success to a person 举杯祝某人成功