This is the 17622nd most frequent Russian word.
тяжкий
"Тяжкий" means "burdensome" or "severe."
Here, 'тяжкий' is used to describe an intense and burdensome emotion (fear), emphasizing its impactful and overwhelming nature.
Он испытывал тяжкий страх перед экзаменом.
He felt a grave fear before the exam.
In this sentence, 'тяжкий' refers to a tough and demanding effort, highlighting the laborious aspects of the work.
Это тяжкий труд, но плоды его будут сладкими.
This is relentless work, but its fruits will be sweet.
Here, 'тяжкий' characterizes a significant challenge or hardship associated with making a decision.