baneful

1、baneful 有害的、致命的 = bane(祸害、毒物)+ -ful「满是……的」。bane 在古英语里本指杀人的人，往上 PIE *gwhen-「击、打」，gun(枪炮)也归在这一家。
2、常见说法 the bane of my existence 让我烦透了的祸根。
3、别拆成 ban + efulful：ban(禁令)出自说、命令那个词根，还生出 banish(放逐)，跟 bane 不是一个来源。

1. His baneful influence was feared by all.

人们都担心他所造成的有害影响.

2. Lower share prices have baneful effect for companies too.

更低的股价同样会有损各企业.

3. Objective : To investigate drinking condition and baneful degree of Mang people.

目的: 了解莽人的饮酒情况及危害程度.

4. Baneful effects of their foreign policy.

他们对外政策的致命结果.

5. Waste gas emitted by cars has exerted a baneful influence on natural environment.

汽车排出的废气对自然环境有极坏的影响.