"to tone down," 1915, figurative use from the noun (1856) in reference to the left foot-lever of a piano, which makes it quieter among other effects; from soft (adj.) + pedal (n.).
实用例句
1. In the background, in soft focus, we see his smiling wife.
在背景部分，我们可以看到他妻子面带微笑的蒙影像。来自柯林斯例句
2. Choose a soft, medium or firm mattress to suit their individual needs.
针对他们各人不同的需要挑选柔软、软硬适中或者坚硬的床垫。来自柯林斯例句
3. The President could continue to bash Democrats as being soft on crime.
总统可能会继续抨击民主党人对待犯罪活动心慈手软。来自柯林斯例句
4. She sighed, then continued in a soft, calm voice.
她叹了口气，然后继续用温柔、平静的声音说下去。来自柯林斯例句
5. I think more customers probably prefer a soft sell.
