The poor man starts crying. The truck driver says, "Come on man, I was just joking."

那可怜的家伙竟哭了起来，卡车司机说：“哎，伙计，别这样。”

youdao

3：Bob! Hey, Bob, wake up! It's already 9:30 and you've got that big math test at 10 o'clock. Come on, man, shake a leg! Come on, - you've got to get moving right now!

他使劲叫醒Bob，因为已经到九点半了，而Bob十点有数学大测验。时间紧迫，所以他要Bob必须立刻行动起来。 显然他说shake a leg，是催促Bob赶快行动。这就是这个习惯用语的意思。

youdao

And he would always laugh, and say, "Come on man, we'll make it out."

他总是笑笑说，“来吧，我们会出去的。”

youdao

It did annoy me, seeing her talking to another man with a glass of white wine in her hand, and her innocent friendliness, which any man could mistake for a come-on, not just me.

NEWYORKER: Wakefield