Hardly had I sat down when he stepped in

Hardly had I sat down when he stepped in I had hardly sat down when he stepped in Hardly ____ down when he stepped in. Hardly ___ down ___ he stepped in. Hardly——down——he stepped in. He had hardly sat down to have a rest when the door bell ran Hardly had he sat down when the telephone rang.语法要点 I had hardly opened the door when he rushed in we had hardly sat down when she bought plates of food for us he had hardly had time to settle down when he sold the house Hardly has he sat down when the bell rang.如何翻译为汉语拜托各位大神 9.Hardly _______ sat down when the telephone rang.