someone who was once your enemy but is now a friend
曾经是你的敌人但现在是朋友的人 (cengjing shi ni de diren dan xianzai shi pengyou de ren)
"After years of rivalry, they became sworn enemies turned friends."
"经过多年的竞争，他们成了由敌人变成朋友的人。" (jingguo duonian de jingzheng tamen chengle you diren biancheng pengyou de ren)
to adopt an environmentally friendly lifestyle
to be in a situation where one makes a lot of money with lit...
used humorously to let an older person go first
to remain valuable or successful for a long period of time
to continue believing in something or someone
to make something more interesting or lively
