You're too old to be given a job. That's a bitter pill to swallow.

你年龄太大，不能给你工作了。那样的事情是吞苦果。

《柯林斯英汉双解大词典》

It is worth noting that climate change is not a bitter pill only for the poor to swallow.

值得注意的是，气候变化不是仅有穷人才会面临的严酷现实。

youdao

Rob: I know… it's a bitter pill to swallow.

罗布：我知道……这是难以下咽的苦果。

youdao

For industrialists paying reluctantly to clean up their act, that must be a bitter pill.

ECONOMIST: Emissions

In contrast, social is a patience game, which for many can be a bitter pill.

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Otherwise, they will have a bitter pill to swallow when change is forced upon them.

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