祸根的英文：
an apple of discord
apple of discord
bane
ruination
the occasion of the trouble

参考例句：

To make a thorough investigation of the root of evil
深究祸根

Women have been my ruin.
女人一直是我的祸根。

His wealth proved a curse to him.
他的财富是他的祸根。

Avarice is a bane to happiness.
贪婪是损毁幸福的祸根。

avarice is a bane to happiness
贪婪是损毁幸福的祸根。

Gambling is often a curse.
赌博往往是个祸根.

Gambling is a curse to him.
赌博是他的祸根。

The boundary line between the countries was an apple of discord between the two countries.
边界问题是两国战争的祸根。

This discriminatory policy has really been a blight on America.
这项歧视性政策确实成了美国的一大祸根。

That monster of a mayor, that old blackguard of a mayor, is the cause of all
这个鬼市长，这个老流氓市长是一切的祸根。

apple是什么意思：
n. 苹果；苹果公司

There is an
在apple这个词中有一个字母A。

This is an apple of love.
这是一个西红柿。

These are eating apples.
这些是可生食的苹果。

discord是什么意思：
n. 不和；嘈杂声；不和谐
v. 不一致；刺耳

The traffic discords.
交通噪音刺耳。

on States severed, discordant, belligerent
愿阳光不是照射在分裂和互相争吵残杀的各州之上

The discord of his music was hard on the ear.
他演奏的不和谐音很刺耳。

bane是什么意思：
n. 毒药,灭亡的原因,灭亡,祸根

Avarice is a bane to happiness.
贪婪是损毁幸福的祸根。

Baneful effects of their foreign policy.
他们对外政策的致命结果。

His baneful influence was feared by all.
人们都担心他所造成的有害影响。