sweep clean

扫，清洁

swastika, swat, swathe, swatter, sway, swear, swear-word, swearer, sweat, sweat-band, sweat-gland, sweat-shirt, sweat-shop, sweated labour, sweater, sweaty, swede, Sweden, Swedish, sweep, sweep off, sweep sb. off his (her) feet, sweeper, sweeping, sweepings, sweepstake, sweet, sweet corn, sweet pea, sweet potato, sweet talk, sweet-and-sour, sweet-briar (also ,sweet-brier), sweet-talk, sweet-william, sweetbread, sweeten, sweetener, sweetening, sweetheart,