The word(s) "trying" appears 2 time(s) in 2 verse(s) in Quran in Saheeh International translation.

(1) And when Our messengers, [the angels], came to Lot, he was anguished for them and felt for them great discomfort and said, "This is a trying day."

(سورة هود, Hud, Chapter #11, Verse #77)
(Arabic, Transliteration, Urdu (Ahmed Ali), Urdu (Jalandhry), Farsi, Yusuf Ali, Shakir, Picthal, Mohsin Khan, French, Spanish, Indonesian, Malay, German, Bosnian, Russian, Dutch, Italian, Portuguese, Tafsir - Jalal ad-Din, Tafsir - King Fahad Quran Complex)

(2) And the intoxication of death will bring the truth; that is what you were trying to avoid.

(سورة ق, Qaaf, Chapter #50, Verse #19)
(Arabic, Transliteration, Urdu (Ahmed Ali), Urdu (Jalandhry), Farsi, Yusuf Ali, Shakir, Picthal, Mohsin Khan, French, Spanish, Indonesian, Malay, German, Bosnian, Russian, Dutch, Italian, Portuguese, Tafsir - Jalal ad-Din, Tafsir - King Fahad Quran Complex)