If you make one side stand, the other will not — it's hard to please everyone; satisfying one party may upset another.
上司と部下の意見が違い、どう動いても誰かが不満になる。あちら立てればこちらが立たぬ状況だ。
The boss and the staff disagree, and whoever you side with someone will be unhappy. It's a damned-if-you-do situation.
予算を学生向けに回せば社会人が困る。あちら立てればこちらが立たぬ例だ。
If the budget is allocated to students, working people will suffer. It's an example of pleasing one side but upsetting the other.
家族の優先順位が対立していて、あちら立てればこちらが立たぬと悩んでいる。
With conflicting family priorities, I'm troubled because pleasing one side upsets the other.