exacerbate

动词 exacerbate:

1. make worse
   同义词：worsen, aggravate, exasperate
2. exasperate or irritate
   同义词：exasperate, aggravate

1. Her mother's interference exacerbated the difficulties in their marriage.
   她母亲从中干预使他们的婚姻雪上加霜。
2. Scratching exacerbates a skin rash.
   皮疹搔後会恶化。

ex.ac.er.bate

v.tr.（及物动词）
ex.ac.er.bat.ed,ex.ac.er.bat.ing,ex.ac.er.bates
To increase the severity, violence, or bitterness of; aggravate:
使…加剧，使…剧烈，使…恶化；加重：
例句：
a speech that exacerbated racial tensions; a heavy rainfall that exacerbated the flood problems.
一个加剧了种族间紧张的演讲；一场使水灾更为严重的暴雨

来源：
Latin exacerb3re exacerb3t-
拉丁语 exacerb3re exacerb3t-
ex- [intensive pref.] * see ex-
ex- [加强词义的前缀] *参见 ex-
acerb3re [to make harsh] from acerbus [harsh] * see ak-
acerb3re [使粗糙，使刺耳] 源自 acerbus [粗糙，刺耳] *参见 ak-

【引伸】
exac.erba.tion
n.（名词）