1. I'm packing the luggage.
我正在准备行李。
还能这样说：
I am preparing for the luggage.
I am making an arrangement for the luggage.
应用解析：
pack sth. away 将某物放入盒、箱等中收起；
pack sth. in sth. 在有限的时间里做某事；
pack sb. off 打发某人
2. Is everything set for your trip?
你的旅行一切准备就绪了吗？
还能这样说：
Has everything already arranged for your trip?
Has your trip in readiness?
应用解析：
set against 使不和，使反对；从……中扣除，抵偿；权衡；
set beside 与……相比；
set alight 使……着火，点燃……；
set back 使倒退，使受挫；推迟
3. Let's get ready for the trip.
让我们为旅行做准备吧。
还能这样说：
Let's prepare for the trip.
Let's arrange something for the trip.
应用解析：
at ready 处于准备射击的状态；处于准备状态；
be not ready to 来不及；
get ready 使……准备好；
Ready about! （航海）掉头准备！
4. What will you bring in the travelling?
你带什么去旅行？
还能这样说：
What luggage will you take to travel?
What will you take along with this travel?
谚语：
April showers bring forth May flowers.
4月的骤雨会带来5月的花。