mince words
To choose words carefully for the sake of politeness or deception.
I like people who speak frankly and truthfully without mincing words.
mum is the word
You must keep the secret; keep silent; don't tell anyone. Often used as an interjection.
We are planning a surprise party for John and mum is the word.
"Mum is the word!" the robber captain told his men.
put in a word for
To speak in favor of someone; recommend someone.
"Don't worry about your job application," Sam said to Tim. "I'll put in a word for you with the selection committee."
put to the sword
To kill (people) in war, especially with a sword.
The Romans put their enemies to the sword.
In some wars captives have been put to the sword.
put words into one's mouth
To say without proof that another person has certain feelings or opinions; claim a stand or an idea is another's without asking; speak for another without right.
When he said "John here is in favor of the idea." I told him not to put words in my mouth.
saber rattling
sword rattling
A show of military strength usually to frighten; a threat of military force.
The dictator marched his troops and tanks along the border of our country and did some saber rattling.
say the word
To say or show that you want something or agree to something; show a wish, willingness, or readiness; give a sign; say yes; say so.
Just say the word and I will lend you the money.
I will do anything you want; just say the word.
If you get tired of those pictures, say the word.
send word
To send notification to; advise.
When his father fell seriously ill, we sent word to Mike to come home as quickly as possible.