to reduce the amount of something harmful, especially pollution
reducir la cantidad de algo dañino, especialmente la contaminación (reducir la cantidad de algo danino, especialmente la contaminacion)
"Nations are taking measures to cut down on emissions from industries."
"Las naciones están tomando medidas para reducir las emisiones de las industrias." (Las naciones estan tomando medidas para reducir las emisiones de las industrias.)
to remain loyal to your values or beliefs
to change completely into something new
to help someone emotionally during a difficult time
to increase optimism or trust in the economy
to earn money from work or investment
to try hard to achieve something you want