"reduce your daily fat intake" "The employer wants to cut back health benefits"
"reduce a problem to a single question"
"He reduced the population to slavery"
"She reduced her niece to a servant"
"The proposal boils down to a compromise"
"Hot water will shrink the sweater" "Can you shrink this image?"
"reduce one's standard of living"
"reduce an image"
"reduce the influx of foreigners"
"The government quashes any attempt of an uprising" "China keeps down her dissidents very efficiently" "The rich landowners subjugated the peasants working the land"
"The cells reduce"
"The manuscript must be shortened"
"The sauce should reduce to one cup"
"The cook reduced the sauce by boiling it for a long time"
"cut bourbon"
误 Their salaries were reduced down.
正 Their salaries were reduced.
正 Their salaries were cut down.
析reduce本身就表示减少,所以无需再用down这一副词。