V-ERG
（使）縮小；（使）減少；（使）減輕
If something lessens or you lessen it, it becomes smaller in size, amount, degree, or importance.
例句
He is used to a lot of attention from his wife, which will inevitably lessen when the baby is born...
他習(xí)慣了妻子對(duì)他的百般關(guān)注，但孩子出生后這種關(guān)注就會(huì)不可避免地減少。
Make sure that your immunisations are up to date to lessen the risk of serious illness.
要確保接種最新的疫苗，以降低患上嚴(yán)重疾病的危險(xiǎn)。