clean out completely;all finished;cleared up without remainder;as clean as penny;completely ;

No matter when and how the invaders come, they will be wiped out clean.
无论侵略者什么时候来,怎样来, 他们必将被消灭得一干二净.
来源:《现代汉英综合大词典》If I didn't write them down I should probably forget all about them.
如果我不把它们写下来,就可能忘得一干二净.
来源:《简明英汉词典》" Aunt Polly, It'seemed mortified, and it hurt so I never minded my tooth at all. "
“ 波莉姨妈, 脚趾头看着真像是发炎了, 痛得我把牙齿的事忘得一干二净. ”
来源:英汉文学 - 汤姆历险
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