I could swear I already heard a clue about this phenomenon, "already seen" in French.
déjà vu
It ended with the Berlin Wall coming down & the Soviet Union breaking apart.
Cold War
A standard unit combining feet and inches, this measurement is notoriously the subject of white lies on dating apps.
height
"I came, I saw, ..."
I conquered
In song, it was used to describe an arachnid making its way up a drainage pipe.
itsy bitsy
This French phrase literally translates to "blow of state" and refers to a sudden, illegal seizure of power.
coup d'état
(Of a kind of animal) having a body temperature varying with that of the environment.
cold blooded
You've become a legatee of your uncle's estate, which also makes you one of these.
an heir
A principle often attributed to Hippocrates & followed by doctors: "First do..."
no harm
A trip on a party boat with alcohol aplenty.
Meaning "of the day", it frequently follows "soup" on a menu.
Du Jour
Frequently free, it's a place in public where you can connect to Wi-Fi & access the Internet.
hot spot
Following the French pronunciation, both the "Z" & the "S" are silent in this word for an appointed place.
rendezvous
"Necessity is the mother of..."
invention
It's a planned function where someone famous is introduced to & socializes with fans.
meet & greet
It's just a fancy way to say appetizers.
hors d'œuvres
A run of good luck or a period of repeated success or winning.
hot streak
From the French for "red", this thickening base for soups & sauces contains flour.
a roux
A legal principle: "Ignorance of the law is..."
no excuse
There's a male first name in this phrase meaning all tied up or 50-50.
even Steven
A great piece of art may be described with this 3-word phrase; The New York Times used it reviewing the film "Dunkirk."
a tour de force
They were the Daisy Dukes of the mid-1970s & a big fad.
hot pants
The NOAA says this, formed from 2 words with one meaning "wave", can have a wavelength in excess of 300 miles.
a tsunami
"The road to hell is paved with..."
good intentions
This bit of advice could be translated as "pretend to be successful until you become so."
fake it till you make it