He was in the middle of vacuuming when I arrived.我到的时候他正忙着用真空吸尘器打扫。I moved the chairs back so that I could start vacuuming.我把一只只椅子移开,以便开始吸尘打扫。I just finished vacuuming.我刚用吸尘器打扫完。I like keeping the house clean but, to be truthful, I hate vacuuming.我喜欢把屋子收拾得干干净净,但说实话,我讨厌用吸尘器。