someone who will never be your friend
一个永远不会是你朋友的人 (yí gè yǒng yuǎn bù huì shì nǐ péng yǒu de rén)
"They used to be close but now are sworn enemies."
"他们曾经关系亲近，但现在他们是誓言敌人。" (tā men céng jīng guān xì qīn jìn, dàn xiàn zài tā men shì **shì yán dí rén**)
to reach the lowest point of failure or depression
to pay for something, especially as a treat for others
to make an effort to understand or care about someone else's...
to make a mistake or do something badly
in the process of being developed or built
To become widely known very quickly.
