• vi. 松勁，懈怠；變松弛；變緩慢
• vt. 使緩慢；使松弛

slack,松懈的，-en,使。引申諸相關詞義。

slacken (v.)

early 15c., from slack (adj.) + -en (1). Related: Slackened; slackening.

1. The Conservative government will not slacken the pace of radical reform.

保守黨政府不會放慢激進改革的步伐。

來自柯林斯例句

2. Inflationary pressures continued to slacken last month.

上個月，通貨膨脹的壓力繼續減小。

來自柯林斯例句

3. Muscles stretch, slacken and relax during child-birth.

生孩子的時候，肌肉會拉抻、放松，然后松弛下來。

來自柯林斯例句

4. We've been really busy, but things are starting to slacken off now.

近來我們的確很忙，不過現在情況開始有所緩解了。

來自《權威詞典》

5. We've been really busy, but things are starting to slacken off now.

我們忙極了, 不過現在事情開始減少了.

來自《簡明英漢詞典》