1. Toolbelts free both hands and lessen the risk of dropping hammers. 工具带解放了双手，并减少了锤子掉落的危险。
2. They have been looking to trust companies in particular to trim their balance sheets and lessen their regulatory burden. 他们一直指望着给那些努力削减其资产负债表的信托公司放贷，减轻其监管负担。
3. International Labor Organization economists say some nations have come up with policies to lessen the impact of lower wages during the economic crisis. 国际劳工组织的经济学家说，一些国家已经制定了政策，以减轻经济危机期间工资较低的影响。
4. I didn't feel any improvement in my condition in the first couple of days, but after a few more regular visits to the doctor, my cough started to lessen. 在最初的几天里，我并没有感到情况有任何好转，但在定期去医生那里治疗几次后，我的咳嗽开始减少。
