Al-Mu'minun Verse 3

those who avoid idle talk;

and those who turn away from all that is vain,

and from idle talk turn away

who shun idle talk,

And those who from everything vain turn away.

Who avoid vain talk;

who avoid whatever is vain and frivolous;

Who shun all frivolities,

And who do not incline towards indecent matters.

avoid vain talk,

They always turn away from and avoid whatever is vain and frivolous.

And who keep aloof from all that is vain and idle,

And those who from the nonsense/senseless talk, they are objecting/turning away .

And who do not incline towards indecent matters.

Who in their prayers are humble,

And those who turn away from Al-Laghw (dirty, false, evil vain talk, falsehood, and all that Allah has forbidden).

Who are humble in their prayers,

And who keep aloof from what is vain,

And who shun vain conversation,

who avoid impious talks,

who turn away from idle talk;

And those who turn away from Al-Laghw.

those who turn away from all that is frivolous;

Those who avoid nonsense.

and who shun vain talk, and other [nonsense],

And those who turn away from Al-Laghw.

refers to falsehood, which includes Shirk and sin, and any words or deeds that are of no benefit.

As Allah says;

وَإِذَا مَرُّواْ بِاللَّغْوِ مَرُّواْ كِراماً

And if they pass by Al-Laghw, they pass by it with dignity. (25;72)

Qatadah said;

"By Allah, there came to them from Allah that which kept them away from that (evil)."

وَالَّذِينَ هُمْ لِلزَّكَاةِ فَاعِلُونَ