It means they go into a supporting role."

VOA: standard.2009.10.23

Kaj, the head TA is Scandinavian so I've got no idea why he's supporting Liverpool anyway, but I think maybe he spells it like this or something like this.

主助教卡茄是斯堪的纳维亚人,我也很好奇为什么他要支持利物浦队,不过我猜大概他大概这么拼写利物浦

耶鲁公开课 - 博弈论课程节选

It's... -Aren't you supporting Barack Obama?

这个。。。，-你不是一直挺奥巴马的吗？

斯坦福公开课 - 经济学课程节选

The former Bush administration had largely shunned contact with Syria, accusing it of facilitating the transit of Islamic militants through its territory to Iraq, and of supporting extremists in Lebanon and the Palestinian territories.

VOA: standard.2009.06.09