To force someone to haveor experience something unwanted or undesirable

foist something on/upon someoneto force someone to haveor experience something unwanted or undesirable:

She charged that junk food is being foisted on children by TV commercials.

edge someone/something out-to defeat or do better than someone or something else by a small amount

to do better than another person or company when you are competing against them: She is a brilliant gymnast, but her rival edged her out.

to force someone or something out of a place, situation, etc., usually in a way that is not direct or honest: Managers in their sixties are being edged out by younger replacements.

the truth/fact of the matter is (that) spoken used when saying what you think is really true concerning a situation

 The truth of the matter is that we don’t know exactly how the disease is spread.

press/push someone's buttons

to cause a strong reaction or emotion in someone:
My brother knows exactly how to push my buttons (= annoy me).
It's not money that presses his buttons (= excites him) so much as the dealing and negotiation that goes with it.
the cutting edge (of sth)- the most recent and advanced stage of development in a particular type of work or activity, with the newest systems, equipment, etc.
per se- by or of itself:
Research shows that it is not divorce per se that harms children, but the continuing conflict between parents.
In addition to the interface design per se, we had to address the problem of mechanical manipulation.

a company at the cutting edge of mobile communications technology

the outskirts- the areas that form the edge of a town or city:

heart and soul- completely:
She loves those children heart and soul.

through and through-completely

My mother is Irish through and through.
all roads lead to Rome- said to mean that all the methods of doing something will achieve the same result in the end
be (only) a matter of time- If it is (only) a matter of time until something happens, it is certain to happen but you do not know when it will happen:
It's only a matter of time before he's forced to resign.
be (living) in a dream world- to have hopes and ideas that are not practical or possible: If he thinks I'll forgive him, he's living in a dream world.
trials and tribulations- troubles and events that cause suffering:
the hard way- a way of doing something that makes it more difficult than it needs to be:
If you learn something the hard way, you learn from unpleasant experiences rather than by being taught

embark on/upon something

to start something new or important:
We're embarking upon a new project later this year.

be/get in on the ground floor

to be or become involved in something from the beginning: