• vt. 使…變小；使…減輕；使…變少
• vi. 減少；減輕；變小
• n. (Lessen)人名；(德、羅)萊森

less,較小，-en,使。引申詞義減輕。

lessen (v.)

"to become less," c. 1300, from less + -en (1). Related: Lessened; lessening.

1. Toolbelts free both hands and lessen the risk of dropping hammers.

工具腰帶解放了雙手，還減少了錘子掉落的風險。

來自柯林斯例句

2. Several drugs are used to lessen the severity of the symptoms.

使用了幾種藥來減輕癥狀。

來自柯林斯例句

3. The noise began to lessen.

噪音開始減弱。

來自《權威詞典》

4. The flexibility of a man's muscles will lessen as he becomes old.

人老了肌肉的柔韌性將降低.

來自《現代英漢綜合大詞典》

5. Regular exercise can help to lessen the pain.

經常運動有助于減輕痛感.

來自《簡明英漢詞典》