to say sorry for something you did
自分がしたことに対して謝る (jibun ga shita koto ni taishite ayamaru)
"She apologized for forgetting his birthday."
"彼女は彼の誕生日を忘れたことを謝罪した。" (Kanojo wa kare no tanjoubi wo wasureta koto wo shazai shita.)
to attend briefly or informally
to not show or tell others about your emotions
to try to find out information secretly or out of curiosity
to happen or take place
to make inflation less severe or reduce price pressure
to connect emotionally with someone suffering or sad