Bittered
vt. 使变苦（bitter的过去式与过去分词形式）
🗣️ 情景例句
It was a pleasure having you. Please come again.
和你在一起我们非常荣幸，请有空常来。
I meet the boy whose aunt is an accountant.
我遇到那个男孩的姑妈是会计。
But this does not matter, for, as he has often remarked, one is never too old to learn.
但这没有关系，因为正如他常说的那样，人要活到老学到老。