to work very hard without rest
非常努力工作而不休息 (fēicháng nǔlì gōngzuò ér bù xiūxí)
"She works like a dog to provide for her kids."
"她为了养活孩子像狗一样工作。" (Tā wèile yǎnghuó háizi xiàng gǒu yīyàng gōngzuò.)
to be upset about something that cannot be changed
the largest portion of something
to become known or revealed
to waste money on something useless
kept secret or very confidential
used when something hoped for did not happen
