LESSREDUCEto become smaller in size, importance, or value, or make something do this(使)降低,(使)减少SYN reduce
lessen the risk/chance/possibility etc (of something)
Exercise lessens the risk of heart disease.
运动可降低患心脏疾病的风险。
lessen the impact/effect/importance (of something)
The new project will lessen the effects of car pollution.
这个新项目将减少汽车污染的影响。
Gradually her anxiety lessened.
她的焦虑慢慢减轻了。
Examples from the Corpus
lessen• By Thursday, smoke in the valley had considerably lessened.• With such a base, your dependency on the organization is lessened.• My love for the countryside has never lessened.• At the same time, as the Gods become more human, humans themselves become lessened.• Over time, the pain usually lessens, but this may take several months.• Everyone has their own ideas about the best way to lessenjetlag.• Although violence has lessened since the mid-90s, it has not disappeared.• The individual is always trying to reconcile his inner and outer world and lessen the anxiety of the internal situation.• Beyond a quieterplaneride, NoiseBuster is said to lessen the effects of jet lag.• He shifted his position a little, in order to lessen the pain in his leg.• It should be used as a platform from which to explore the different modes that he suggests of lessening the short-run myopia.• Peace talks have lessened the tension between the two countries.• Her trusting Donald like this, it was lessening the value of her trust in him.