someone who is easy to understand or very honest
一个容易理解或非常诚实的人 (yi ge rongyi lijie huo feichang chengshi de ren)
"He’s an open book; you can always tell what he’s thinking."
"他是一本打开的书；你总能知道他在想什么。" (ta shi yi ben dakai de shu; ni zong neng zhidao ta zai xiang shenme)
to barely have enough money to survive
to criticize someone or something unfairly
to take control or responsibility
Someone who is too interested in other people's business.
to discover the main cause of a problem
to make noticeable progress
