1[transitiveT]NOT HAVE to not have something that you need, or not have enough of it 没有;缺乏
Alex’s real problem is that he lacks confidence.
亚历克斯的真正问题是缺乏信心。
Do not use ‘in’ or ‘of’ after the verb lack: We lack ideas (NOT We lack in/of ideas). However, you can use these prepositions after be lacking in and a lack: We are lacking in ideas. | There is a lack of ideas.
动词 lack 后面不要用 in 或 of: We lack ideas (不说We lack in/of ideas).我们没有主意。但是 be lacking 和 a lack 后面可以用 in 或 of : We are lacking in ideas.我们没有主意。 | These is a lack of ideas. 没主意了。
2not lack for somethingformalRICH to have a lot of something 某物应有尽有,不乏某物