to start behaving in an unusual or uncontrolled way
开始表现出异常或失控的行为 (kaishi biaoxian chu yichang huo shikong de xingwei)
"After losing his job, his life seemed to go off the rails."
"失去工作后，他的生活似乎脱轨了。" (shiqu gongzuo hou ta de shenghuo sihu tuogui le)
to be extremely happy and excited
to change your opinion or the way you feel about something
to leave a message or opinion on a social media post
to fail to keep a promise
To retire someone or something from active use.
enjoyable activities; playful behavior
