表示吹灰之力的英文单词
“吹灰之力”对应的英文单词有：just a small effort、the effort needed to blow away a speck of dust、as easy as blowing away the dust ，一共3个，具体意思及用法如下：
just a small effort吹灰之力
the effort needed to blow away a speck of dust吹灰之力
as easy as blowing away the dust吹灰之力