to suddenly start laughing
рассмеяться внезапно (rassmeyatsya vnezapno)
"They broke into laughter when the teacher made a joke."
"Они рассмеялись, когда учитель рассказал шутку." (Oni rassmeyalis, kogda uchitel' rasskazal shutku.)
to take responsibility for your own actions and outcomes
to gain knowledge or understanding of something new
to separate something into smaller parts for examination
to rise slightly or gradually
to pay attention to and consider others’ opinions or advice
to feel or show great joy or delight in something