lacks

does not have something that is needed: The safe lacks a lock.
Not to be confused with:lax – loose or slack; not firm; not strict; negligent: lax in enforcing the rules

lack

L0005900 (lăk)n.1. Deficiency or absence: Lack of funding brought the project to a halt.2. A particular deficiency or absence: Owing to a lack of supporters, the reforms did not succeed.v. lacked, lack·ing, lacks v.tr. To be without or in need of: lacked the strength to lift the box.v.intr.1. To be missing or deficient: We suspected that he was lying, but proof was lacking.2. To be in need of something: She does not lack for friends.

[Middle English, perhaps from Middle Dutch lac, deficiency, fault.]Usage Note: When lack is used in the sense "to be wanting or deficient," it is typically followed by in: You will not be lacking in support from me. When lack is used in the sense of "to be in need of something," it is often followed by for: "In the terrible, beautiful age of my prime, / I lacked for sweet linen but never for time" (E.B. White).

单词	lacks
释义	lacks lacks does not have something that is needed: The safe lacks a lock. Not to be confused with:lax – loose or slack; not firm; not strict; negligent: lax in enforcing the rules lack L0005900 (lăk)n.1. Deficiency or absence: Lack of funding brought the project to a halt.2. A particular deficiency or absence: Owing to a lack of supporters, the reforms did not succeed.v. lacked, lack·ing, lacks v.tr. To be without or in need of: lacked the strength to lift the box.v.intr.1. To be missing or deficient: We suspected that he was lying, but proof was lacking.2. To be in need of something: She does not lack for friends. [Middle English, perhaps from Middle Dutch lac, deficiency, fault.]*Usage Note:* When lack is used in the sense "to be wanting or deficient," it is typically followed by in: You will not be lacking in support from me. When lack is used in the sense of "to be in need of something," it is often followed by for: "In the terrible, beautiful age of my prime, / I lacked for sweet linen but never for time" (E.B. White). IdiomsSeelack
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