If you find it unworkable, we have no other choice but to call the deal off.
如果不行的话,我们只好放弃了。
I used to be a pilot. Now, I'm a parachutist.
我曾经做过飞行员,如今是伞兵了。
Most of us are able to solve most of our problems. Often, all we need is a good friend who will listen to us while we talk things through. If friends can take turns to listen to each other well, life will be better!