pick one's battles

動詞

To only involve oneself in disputes that one is likely to win. / To only take a stand for a cause that is truly important to one.

日本語の意味

自分にとって勝てる、または意味のある争いだけを選び、無駄な争いを避けること / 不必要な対立を避け、本当に重要な問題だけに取り組むこと

In office politics, it's wiser to pick one's battles and save energy for issues that really matter.

職場の人間関係では、勝てそうな争いだけを選び、本当に重要な問題のためにエネルギーを温存する方が賢明だ。

意味（1）

To only involve oneself in disputes that one is likely to win.

意味（2）

To only take a stand for a cause that is truly important to one.

picks one's battles

（ present singular third-person ）

picking one's battles

（ participle present ）

picked one's battles

（ participle past ）

picked one's battles

（ past ）