lacking

缺乏的、不足的、欠缺的

Funds are still lacking for the new library.

新图书馆的资金仍然不足。

缺少、没有常与 in 连用

He is not lacking in courage, only in experience.

他并不缺乏勇气，只是缺少经验。

不够好的、不合格的常用于 be found lacking

Their safety measures were found lacking after the inspection.

检查之后，他们的安全措施被认为不合格。

由于缺乏、在没有……的情况下正式

Lacking firm evidence, the police closed the case.

由于缺乏确切证据，警方结案了。