slacken off
美
英 
英汉解释
例句
He HAD worked without intermission for six months and now could slacken off for a holiday.
他已不间断地工作了六个月,现在可以休假了。
When will this pain slacken off?
这种疼痛什么时候才会减轻?
The demand for coal begins to slacken off in the spring.
煤的需求在春天开始减少。