to progress or improve very quickly
progresar o mejorar muy rápidamente (progresar o mejorar muy rapida-mente)
"Her English has improved by leaps and bounds."
"Su inglés ha mejorado a pasos agigantados." (su ingles ha mejorado bai lips and bounds)
New and important information being reported immediately
a strong and determined person
to make noticeable progress
to cause pollution or environmental impact through daily act...
to be knowledgeable or skilled about something
to have an advantage or be well prepared