clean out phr v [T] 1 [ clean sth ↔ out] to make a building, room etc clean and tidy by removing things from it 把〔建筑物、房间等〕清理干净: We spent the whole of Sunday cleaning out the garage. 我们整个星期日都在清理车库。 2 [ clean sb out] if something expensive cleans you out, you spend all your money on it 耗尽〔某人〕的钱财