Vocabulary

TO SPEAK
  • To speak for - to represent 
He speaks for the group.
  • To speak for oneself - to express one's point of view
Speak for yourself! The rest of us are in favor.
  • To speak for itself - to be evident.
I don't need to say. The picture speaks for itself.
  • To speak one's mind - to express one's opnion.
I didn't care and I spoke my mind over the situation.
  • To speak out - to speak to everybody emphatically.
The Green Peace spoke out against violence.
  • To speak up - to speak in loud voice.
Speak up! I can't hear you!
  • To stutter = To stammer - to repeat the syllables when nervous.
He was so nervous he began to stutter "I-I-I have go-go-gone..."
  • To whisper - to speak in low voice.
He whispered something in my ear.
  •  To mumble - to speak in a low voice but incomprehensible.
The drunk mumbled something nobody understood.
  • To grumble - to complain, protest in low voice.
The teenager was grumbling because of his punishment.
  • To gossip - to talk about other's lives.
Women love to gossip about other women. 
  • To slander = to defame - to destroy one's reputation
He slanders people whenever he has a chance.
  • To praise - to express approval of a job, etc.
My boss praised my worked and gave me a raise.

TO SAY
  • To go without saying - to be obvious
It goes without saying that the world is changing. 
  • To have a say in something - to have the right to give an opnion
How can I have a say in the matter if I don't even know what's about?
  • To have one's say - to have opportunity to give an opnion
OK, you've had your say; now let's hear their opnion. 

TO TELL
  • To tell on - to denounce
His sister was smoking and he told on her.
  • To tell off - to reprimand
I told my brother off for denouncing me. 
  • To tell fortunes - to predict the future
Gypsies claim they can tell fortunes. 
  • To tell apart - to distinguish
They're identical twins, I can't tell them apart.