lack的形容词形式
lacking adj. 缺乏的，不足的；没有的，缺失的；
My skin feels tight and lacking in moisture.
我的皮肤感觉紧巴巴的，缺乏水分。
I feel there is something lacking in my life.
我觉得我的生活中缺少点什么。
The book is completely lacking in originality.
这部书完全没有创意。
She felt nervous, increasingly lacking in confidence about herself.
她感到紧张，对自己越来越缺乏信心。
These tasks were repetitive, lengthy and lacking any intrinsic interest.
这些作业重复冗长，没有什么意义。
Lacking leadership, they could organize no defence against their oppressors.
没有人领导，他们就无法组织起来反抗压迫者。