let alone
短语
大学
不管
发音
AU
词形变化
lets alone
三单
lets alone
letting alone
letting alone
现在分词
别名
yet alone
释义与例句
v.
-
1.
To leave alone, let be; to stop bothering.
及物I wish he would let me alone so I could get some sleep.
-
2.
To rely on (a person) to do something.
非正式 过时 及物Oh! let him alone for that. He's the boy that can get out of a scrape.
conj.
-
1.
Much less; to say nothing of; used after one negative clause to introduce another, usually broader and more important clause, whose negation is implied by the negation of the first. However either of these instances mentioned can be applied with the use of let alone.
更不用说
何况
遑论
习语He couldn't boil water, let alone prepare a dinner for eight.
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2.
Not to mention, as well as; used after one item, to introduce a further item which is entailed by the first.
习语 罕用