Zhàngpeng de zhījià xiān shùlì qǐlái, zài gùdìng sì jiǎo.
Stand the tent poles up first, then peg down the four corners.
Tips
mistakes
竖立 and 树立 sound identical. This one is physical, a pole, a sign, a monument going up. The other is abstract, used with things like 信心 and 榜样. Nothing you can touch takes it.
usage
竖 is the vertical axis, the opposite of 横. Standing a box on end is 竖着放, laying it flat is 横着放, and the downstroke in a character is also a 竖.