to feel sad or disappointed about something that happened
对发生的事情感到悲伤或失望 (duì fāshēng de shìqíng gǎndào bēishāng huò shīwàng)
"She regrets over not spending enough time with her parents."
"她为没有与父母共度足够的时间而感到遗憾。" (Tā wèi méiyǒu yǔ fùmǔ gòng dù zúgòu de shíjiān ér gǎndào yíhàn.)
to base something on a central idea or feature
to mention or speak about something
to start suddenly (for war, fire, disease, etc.)
to become more emotionally available or loving
to develop together through teamwork and shared experience
to end suddenly; to stop speaking or negotiating
