embitter

动词 embitter:

1. cause to be bitter or resentful
   同义词：envenom, acerbate

1. The loss of all his money embitter the old man.
   失去全部的钱，使这位老人甚为痛苦。
2. I was embittered by repeated failures.
   我因屡次失败而苦恼。
3. The news embittered him.
   这个消息使他陷入痛苦。

em.bit.ter

v.tr.（及物动词）
em.bit.tered,em.bit.ter.ing,em.bit.ters
To make bitter in flavor.
给…加苦味：用调料使…发苦
To arouse bitter feelings in:
加重痛苦：引起痛苦的感觉：
例句：
was embittered by years of unrewarded labor.
因长年无回报的劳动而痛苦

【引伸】
embit.terment
n.（名词）