(someone's) trying times

Translations
трудные времена (кого-либо)
During his trying times, he learned who his true friends were.
Во время его трудных времен он узнал, кто его настоящие друзья.
Definitions
A period in someone's life that is very difficult, stressful, or challenging, often involving hardship or adversity.
Words
trying

gerund / present participle
трудный