Meaning: have existed; have acquired a lot of worldly experience.
Example: There is nothing new about laptops – they’ve been around for years.

Meaning: heavily and formidably armed, usually with deadly weapons.

Example Sentences:
The alleged tax-defaulter was ready for all their questions, and armed to the teeth with proof of his innocence.

Meaning: everyone. one and all
all the people, collectively and individually.

Example Sentences:
I don’t want all and sundry to come to know about our differences.
Only those participating in the event have to come tomorrow. All and sundry need not come.

Meaning: lively and active. Continue to live or exist and be full of energy.

Example Sentences:
1.- She hadn’t met her younger sister after her marriage and was delighted to see her alive and kicking at a social event last weekend.
2.- I met my old school teacher yesterday and I was pleased to see that he was alive and kicking.