to start crying due to strong emotions
начать плакать из-за сильных эмоций (nachat plakat' iz-za sil'nykh emotsiy)
"She broke down when she heard the sad news."
"Она расплакалась, когда услышала печальные новости." (ona rasplakalas', kogda uslyshala pechal'nye novosti)
to improve or develop something beyond its current state
to announce something shocking or unexpected
to become angry or impatient
to become uncontrolled or chaotic
to feel intense fear or horror
to make a bad situation seem better by dealing with it calml...