1. He was embittered by repeated failures.
    他因屡遭失败而痛苦。

2.

2. Repeated failures embittered him.
    连续的失败使他很难过。

3. He was embittered by his failures.
    他因失败而痛苦。

1. embitter

1. 加苦味于：embitter 使怨恨 | embitter 加苦味于 | embitterment 使有苦味

2. 使受苦：embody 體現,使具體化 | embitter 使受苦 | embrown 使成褐色

3. 使变苦,激怒：Wary 谨慎的 | Embitter 使变苦,激怒 | Warp 翘曲,歪曲

4. 使难受：embezzler 盗用公款者 | embitter 使难受 | embitter 使怨恨

1. cause to be bitter or resentful

    e.g. These injustices embittered her even more

    Synonym: envenomacerbate