to become crazy or mentally unstable
сойти с ума или стать психически нестабильным (soyti s uma ili stat psikhicheski nestabilnim)
"My boss must have lost his marbles to approve such a risky project."
"Мой босс, должно быть, сошёл с ума, одобрив такой рискованный проект." (moy boss dolzhno byt soshol s uma odobriv takoy riskovanniy proyekt)
to think carefully about something
to feel dizzy or stunned, often after being hit
feeling sad or depressed
To challenge someone to fight or compete.
naturally inclined or designed to succeed
take action to achieve something
