to be honest and trustworthy
诚实和值得信赖 (chéngshí hé zhídé xìnlài)
"I trust her completely because I know she’s always on the up and up."
"我完全信任她，因为我知道她总是诚实和值得信赖。" (wǒ wánquán xìnrèn tā, yīnwèi wǒ zhīdào tā zǒng shì **on the up and up**)
start working efficiently or properly
to be aware of potential problems or discrepancies
to fail completely; to go bankrupt
pretending to dislike something you can’t have
complete honesty without hiding or changing anything
to have the latest information or be fully informed
