lack

Alex’s real problem is that he lacks confidence..亚历克斯的真正问题是缺乏信心。

lack of,没有，缺乏；不足，不够

for lack of,因缺乏…；因缺少…；因没有…

lack in,缺少…；在…缺乏

lack of power,乏力；缺乏动力

by lack of,因没有...；因缺乏...

from lack of,因没有...；因缺乏...

lack of money,缺钱

lack of time,缺乏时间

lack of capital,缺乏资金

lack for,缺乏

through lack of,因缺乏

lack of faith,不信教，不信神

lack of fusion,未熔合；未焊透；熔解不足

lack of penetration,未焊透

lack of rainfall,缺雨，少雨

lack of labor,劳动力缺乏