她低下了头，第一次为自己缺乏理解力感到苦恼。

She looked down, and for the first time felt the pain of not understanding.

youdao

当不成熟导致谎言的原因不在于缺乏理解力， 而在于不经他人引导就缺乏运用自身的理解力的决心与勇气时，这种不成熟就是自我强加的。

This immaturity is self-imposed when its cause lies not in lack of understanding, but in lack of resolve and courage to use it without guidance from another.

youdao

缺乏技能和理解力也许是广泛采用云计算意义最深远的障碍。

Lack of skills and understanding is perhaps the most significant barrier to widespread adoption.

youdao