to spread gradually among people
在人们之间逐渐传播 (zài rénmen zhī jiān zhújiàn chuánbō)
"News of the promotion quickly filtered through the office."
"晋升的消息迅速在办公室中传播开来。" (Jìnshēng de xiāoxī xùnsù zài bàngōngshì zhōng chuánbō kāilái.)
to learn by making mistakes or through difficult experiences
to prepare for all possible situations
the complete and unvarnished truth
to keep one's plans or intentions secret
to secure something so it cannot change
money that is easily earned is easily lost
