To exaggerate a small problem and make it seem much bigger than it really is.
преувеличивать маленькую проблему и делать ее гораздо более значимой, чем она есть на самом деле. (preuvelichivat' malen'kuyu problemy i delat' yeye gorazdo bolee znachimoy, chem ona yest' na samom dele)
"She made such a big deal out of forgetting her phone; she really made a mountain out of a molehill."
"Она так раздула проблему, что забыла свой телефон; она действительно сделала гору из кучи." (ona tak razdula problemyu, chto zabula svoy telefon; ona deystvitel'no sdela goryu iz kuchi)
people are stronger when they work together
feeling intense jealousy
to be too proud or self-centered
to start talking after a period of silence
to be confident and happy with who you are
having positive prospects or possibilities