1.
Registering for boarding and boarding:
办理登机手续和登机：
2.
Yes. I'd like to check in, please.
是的。我想办理登机手续。?
3.
When do I have to check in?
什么时候办理登机手续？
4.
I have enough time to check in.
还来得及办理登机手续。
5.
the check-in desk
办理登机手续的柜台
6.
one's check-in time
办理登机手续的时间.
7.
please proceed to gate number five for immediate boarding?
立即到5号登机门办理登机手续。
8.
Situation： John is at the airport check-in counter checking in.
情境：?约翰在机场柜台办理登机手续。?
9.
But you must not forget one thing when you're at the check-in counter.
但是千万别忘了，在办理登机手续时，
10.
What time should I check in?
我该什么时间办理登机手续？
11.
Joe is standing in the check-in line at the airport.
乔正站在办理登机手续的地方排队。
12.
There! The check-in counters are over there.
那里！办理登机手续的柜台在那里。
13.
Check in time is 8:35.
8点35分起办理登机手续。
14.
You can check in two hours in advance.
你可以在起飞前两小时办理登机手续。
15.
Do you have to show your passport at the check-in desk?
办理登机手续时须出示护照吗？
16.
By what time should I check in?
我该什么时间办理登机手续呢？
17.
check in(at...);check into...register as a guest at a hotel or as a passenger at an airport,etc
（为住旅馆或登机等）办理登记手续
18.
How to go through the motor vehicle registration, change, mortgage registration formalities?
如何办理机动车登记、更、押登记手续?