1. At each other's throats:
Def: Fighting or arguing heavily.
ex. "They were at each other's throats. The arguments never stopped."
2. At this stage:
Def: At this point.
ex. "At this stage, it's difficult to say who will win the election."
3. At all hours (of the night):
Def: very late at night etc
ex. "Her boyfriend would call her at all hours of the night."
4. All-out:
Def:Complete. Very strong.
"They did an all-out search for the missing boy and they found him."
5. Armed to the teeth:
Def:Heavily armed.
ex. "The rebels were armed to the teeth."
All out:
It was all out war! Everyone was fighting and yelling.
She went all out with the decorations for the birthday party this year. It looked great!
If I learn this language, I'm going all out. I want vocabulary, grammar, study guides, a tutor, a dog that barks the phonetic alphabet, etc.
At each others throats (alternative)
They've been at each others throats all day. They need to calm down!
At this stage (Alternative)
I have no idea what to expect at this stage of the game. She's unpredictable!
Give it a rest (bonus)
You've been at each other's throats all day! Give it a rest already! Enough is enough!
I'm not sure if this is helpful at all, but I thought I'd included it just in case. Good luck!