How you call the meeting with people you know, but not very well?
casual
acquaintances
Insincere; pleasant with someone and then
unpleasant about them behind their back
two-faced towards someone
When they are not there
Behind their backs
Always want to be together, very close
inseparable
A person who is the friend of two people who may or may not know each other:
mutual acquaintances.
Support in good or bad times from someone...
loyalty
Countries or people who
join together to fight for a common cause
allies
have different opinions on something
don’t see eye to eye
Have a very good, enjoyable relationship
get on like a house on fire
A family is a group of people who are related to each other, especially parents and their children
family ties
People who will always hate each other
sworn enemies
Almost stupidly or blindly in love with
besotted with
Someone you admire because
they do or think the same as you
a man after my own heart
A person whose interests or attitudes are similar to one's own.
kindred spirits
If you accept something that you have been offered
accept his proposal
to be very close friends and share secrets,
as thick as thieves.
People who feel close in spirit and understand each other deeply
It is typically used to describe the process of two people strengthening the bonds of their friendship.
cemented their friendship
to have great respect for (someone or something)
holds someone or something in high regard.
love that is total and does not change regardless of what you or the object of your love does
love each other unconditionally