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**)
feeling extremely happy or successful
to feel sad or depressed
directly involved in the most active or dangerous part of so...
to actively try to achieve your ambitions
to become involved in order to help or stop something
to honor a promise or commitment
