to cry a lot due to sadness
因悲伤而大声哭泣 (yīn bēishāng ér dàshēng kūqì)
"She cried her heart out after hearing the bad news."
"听到坏消息后,她痛哭流涕。" (tīng dào huài xiāoxī hòu, tā tòng kū liútì)
to hide the truth about something
to be overlooked or missed in a system or process
to release anger or stress by doing something active
the most important fact or result
start working efficiently or properly
to have a really good time