bitter pill
困恼
例句与用法：
It is really a bitter pill to swallow at that time.
在当时，那真是一件不得不忍受的苦事。
Defeat in the election is a bitter pill for him to swallow.
在选举中失败是他难以下咽的苦果。
Defeat in the election was a bitter pill for him to swallow.
在选举中失败是他难以下咽的苦果。
The defeat was a bitter pill to swallow.
那次失败是一次难以吞咽的苦果。