跑腿族的英文：
errand runner

errand是什么意思：
n. 差使；差事；使命

Your errand was to mail the letter.
你的差事是去寄这封信。

He bustled the maid off on an errand.
他催女佣赶快去办差事。

For a moment he forgot his errand.
有一小会儿，他忘掉了自己的使命。

He strapped the errand boy with a leather belt.
他用皮带抽打那个使童。

How many errands did you do in the trip?
你这次出行完成几项任务?

runner是什么意思：
n. 跑步者；赛马；走私者；送信人；长条地毯；滑板；推销员

runner inhibitor
纤匐枝抑制剂

a smuggler; a runner
走私者

A runner needs good wind.
赛跑者要有良好的呼吸力。

The runners rounded into the home stretch.
赛跑者拐弯进入了接近终点的一段距离。

The crowd boosted the morale of the runners.
群众为赛跑选手们加油助威。