他们忙着种田用英语怎么说

他们忙着种田用英语可以说是 "They are busy farming." 或 "They are busy with farming." 来源可能源于农耕文明时期人们忙着种植庄稼为生。例句如下：

"They are busy farming the fields this time of year."（他们这个时候忙着种植庄稼。）
"The farmers are busy planting crops for the upcoming season."（农民们正忙着为即将到来的季节种植庄稼。）
"The family spends their days busy farming and tending to their animals."（这家人忙着种植庄稼和照料家畜。）