a significant or sudden development or discovery; an important achievement
un desarrollo o descubrimiento significativo o repentino; un logro importante (un desarrollo o descubrimiento significativo o repentino; un logro importante)
"The scientist made a major breakthrough in his research on cancer treatment."
"El científico hizo un gran bureiku surū en su investigación sobre el tratamiento del cáncer." (El cientifico hizo un gran **bureiku suru** en su investigacion sobre el tratamiento del cancer.)
the most ethical or moral action to take
to postpone discussion of a topic for later
to teach someone how to do a task
to be very busy or have many things to do
to not express your emotions or worries
to agree with someone