放聲痛哭 utter a stifled cry of agony; raise one's voice in great weeping
號啕痛哭 cry loudly; bewail mournfully; burst into a storm of tears; cry one's eyes out; utter a loud cry; wail at the top of one's voice
盡情痛哭 cry [weep] one's heart out; cry one's eyes out
失聲痛哭 lose control and cry out loud; cry in a sad voice; burst out weeping
痛哭流涕 cry and shed bitter tears; cry bitterly; cry one's heart out; set one's eyes at flow; shed tears over some loss; wail and whine; weep bitter tears of remorse
痛哭失聲 be choked with tears; lose one's voice after weeping; weep bitterly, losing one's voice
痛哭一場 have a good cry; give free vent to one's sorrow with many tears and loud laments