great effort and hard work
большие усилия и тяжелая работа (bol'shie usiliya i tyazhyolaya rabota)
"Building this company took a lot of blood, sweat, and tears."
"Создание этой компании потребовало много усилий и тяжелой работы." (Sozdanie etoy kompanii potrebovalo mnogo usiliy i tyazhyoloy raboty)
to prepare an official document or plan
to focus only on positive thoughts and energy
to keep working or performing despite pain or hardship
to honor a promise or commitment
to have great influence or power over others
naturally designed to acquire knowledge or skills
