to work extremely hard
非常に一生懸命働く (hijō ni isshōkenmei hataraku)
"She worked her fingers to the bone to support her family."
"彼女は家族を支えるために非常に一生懸命働きました。" (Kanojo wa kazoku o sasaeru tame ni hijō ni isshōkenmei hatarakimashita.)
to feel very good or confident
to do your fair share of work
to fail to understand the main idea
to promise solemnly, often in a formal way
to be on time for a train or event
to think of new and creative ideas
