说长道短的英文：
to indulge in idle gossip; to make captious comments; to gossip

参考例句：

I must say I object to her gossiping.
我得说我很反对她说长道短。

There was not a single thing about her that one could find fault with.
在她身上找不出一点让人家说长道短的地方。

There are too many gossipy people in this office.
这个办公室里爱说长道短的人太多了。

Her disheveled appearance when she arrives is meat for Caroline's gossip, but Mrs
她到达时的狼狈相，为卡罗琳说长道短提供了话柄。

Men came out of the barber shop with lathered faces, their neckcloths hanging, to watch and comment in hushed voices
有几个男人从理发店里跑出来，只见他们理发用的罩衣还没有脱下，脸上还有刮胡子用的皂液。他们一面看，一面压低了嗓音说长道短。

indulge是什么意思：
v. 使高兴；满足；纵容；（使）沉迷于

You are too indulgent with your children.
你太放纵孩子了。

They indulge in tall talk.
他们一味说大话。

Their foibles were treated with indulgence.
大家以宽容的态度对待他们的那些小缺点。

idle是什么意思：
adj. 懈怠的，懒惰的；闲置的；闲散的；无效的；空闲的
v. 混时间，闲荡，无所事事；未熄火；关闭工厂

The tongue of idle person is never idle
人懒话多

The tongue of idle persons is never idle.
懒汉的舌头并不闲。

The protracted idleness eat at him.
这样没完没了地一天天闲混，使他苦恼。

gossip是什么意思：
n. 流言，流言蜚语；爱讲闲话的人；闲谈，八卦
v. 传播流言，说长道短，闲聊

They often gossiped.
They often gossiped.

Have you gossiped with her?
你找她一块儿聊天儿来着？

She is a big gossip.
她真是个八卦夫人。