Usages of тяжело
Моя сестра умеет утешать людей и искренне сочувствовать им, когда им тяжело.
My sister knows how to comfort people and sincerely sympathize with them when things are hard for them.
Когда в комнате душно, мне тяжело дышать.
When the room is stuffy, it is hard for me to breathe.
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