lack

lack的用法 例句

解题思路： 见下
解题过程：
lack
一、作名词
二、作动词
三、lacking作形容词

一。名词
〈singular, uncountable]单数，不可数
英语解释：when there is not enough of something, or none of it
同义词：(synonym) shortage
常用作词组，不单独使用
lack of
例句：1.new parents suffering from lack of sleep.
2. Too many teachers are treated with a lack of respect.
3. comments based on a total lack of information
4. Does their apparent lack of progress mean they are not
doing their job properly?
5. tours that are cancelled for lack of booking.
6. There was no lack of willing helpers.
7. health problems linked to poor diet and a relative lack
of exercise

二 作动词
第一个意思 1 及物动词
[transitive] to not have something that you need, or not
have enough of it
例句: Alex's real problem is that he lacks confidence.
第二个意思 2 只用于否定句
not lack for something
正式用语(formal) to have a lot of something
例句: He does not lack for critics.

三 lacking作形容词
[not before noun] 不能修饰名词
第一个意思 1
not having enough of something or any of it
常跟介词in: lacking in
例句: 1.He was lacking in confidence .
2. She seems to be entirely lacking in intelligence.
3. The new designs have all been found lacking in some
important way.
第二意思 2
if something that you need or want is lacking, it does not
exist
例句: 1. Financial backing for the project is still lacking.
2. These qualities are sadly lacking today.
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最终答案：略