Stertorously

затруднённо

zatrudnjónno

(with heavy breathing, as if snoring)

стерторо́зно

stertorózno

(with heavy breathing, as if snoring)

тяжело́

tjaželó

(with heavy breathing, as if snoring)

хрипя́ще

xripjášče

(with heavy breathing, as if snoring)