to carefully consider the facts of a situation in order to understand something, make a decision, or solve a problem

动动脑子, 好好想想
只要我们动动脑子,就能不多花钱把这事解决。
in a very nervous or frustrating state of mind in face of a problem or situation one knows very little or nothing about

超出能力范围, 难以招架
她答应负责这个项目,但很快意识到这超出了自己的能力范围。
said when one does not have a definite answer to a particular question, similar to the questioner

我也不知道, 我也没准数
他为什么突然辞职?我也不知道。
to fail to understand or interpret or understand something correctly

理解错了, 会错意
她理解错了,以为我在生她的气。
to have no information regarding a particular subject

对此一窍不通, 一点都不懂
他说得像专家一样,但对金融一窍不通。
used when one is incapable of understanding or remembering a particular thing

怎么也, 怎么想都
她怎么也不明白他为什么那么难过。
someone or something one knows very little or nothing about

完全不了解的事, 一无所知的领域
她的童年完全是个谜;她从来不谈。
used to describe something that is complicated due to not being clearly described or shown

完全不清楚, 一点都不明白
他对新税规的解释完全让人摸不着头脑。
to be incapable of understanding even the simplest concepts

连最基本的都不懂, 什么都不明白
她说得像顾问一样,但对营销根本什么都不懂。
the limits of human knowledge or understanding, representing areas that remain unknown or unexplored

认知的最后边界, 理解的极限
在医学领域,治愈阿尔茨海默病也许是最后的难关之一。
to become confused, mistaken, or emotionally lost
confused and unable to think clearly

脑子一片迷糊, 稀里糊涂
开完会以后她一直稀里糊涂的,一个决定都没做出来。
to fully understand something difficult, complicated, or strange

想明白, 理解透
我花了好几天才把新的税务规定弄明白。
to make an attempt to understand someone or something that is puzzling

弄明白, 理出头绪
没人听得懂他的解释。
