基本解释adj.放任(主义);不管的同根派生 let-alone相关词英汉例句用作形容词 (adj.)One should not let bad behaviour go unchecked.对错误的行为,不能放任不管。They have to let new markets develop, or stifle them.他们要不就放任新兴市场发展,要不就将其窒息。let-alone更多例句