同义词
参考例子
1.Learning is like pushing a car up. Don't slacken off.
学习如推车登山,一步也不能松动。
2.Learning is like pushing a cart up. Don't slacken off.
学习如推车登山,一步也不能松懈。
3.The demand for coal begins to slacken off in the spring.
煤的需求在春天开始减少。
英文解释
v.
1.become less intense