Breakdown of Он сильно устал за день.
он
he / it (for a masculine noun) / it (for a neuter noun)
день
day
уставать
to get tired
сильно
strongly, greatly
Questions & Answers about Он сильно устал за день.
The lesson is about 'гораздо' and 'намного'. Could we use those here instead of 'сильно'?
No, because гораздо and намного are strictly used with comparatives to mean 'much MORE'. Since this sentence just says he got 'very' tired, not 'more' tired, you need a base adverb like сильно (strongly) or очень (very). To say he got 'much more tired,' you would use a comparative: Он устал гораздо сильнее.
Why use сильно here instead of the usual очень for 'very'?
While очень works perfectly well here, сильно (literally 'strongly') is a very natural choice in Russian to intensify verbs of physical or emotional feeling, such as getting tired, worrying, or hurting. It emphasizes the heavy physical impact of the exhaustion.
Why does устал mean 'got tired' instead of 'was tired'?
Устал is the past tense of a perfective verb, which means it focuses on a completed action or a change of state. It literally translates to 'became tired' or 'got tired.' To describe a continuous state of being tired in the past, you would typically use an adjective, such as Он был усталым (He was tired).
Why is за день used to mean 'during the day'?
When the preposition за is followed by a time word in the accusative case (like день), it means 'over the course of' or 'in the span of' that time. It shows that his tiredness built up as a result of everything he did from the beginning to the end of the day.
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