to not meet expectations or complete a task successfully
没有达到期望或未成功完成任务 (méiyǒu dádào qīwàng huò wèi chénggōng wánchéng rènwù)
"The company promised improvements but failed to deliver on its promises."
"公司承诺了改进，但未能 兑现 承诺。" (Gōngsī chéngnuòle gǎijìn, dàn wèi néng duìxiàn chéngnuò.)
to stay positive and hopeful in a difficult situation
a guess or attempt made without knowing much or anything abo...
to generate excitement and talk about a product or event
to disrupt or complicate something
lovers whose relationship is doomed or unlucky
to frighten someone very badly
