If something is thrust upon you, you are forced to have it, deal with it, or experience it.
Why has such sadness been thrust upon us? [be VERB-ed PARTICLE]
She had not wanted to be Queen, but the role was thrust upon her. [be VERB-ed PARTICLE noun]
Some are born great, some achieve greatness, and some have greatness thrust uponthem. [have n V-ed P n]