他们站立不稳，协调性较差。They were unsteady on their feet and rather uncoordinated.双腿适度分开站立，双膝稍稍弯曲。Take a comfortably wide stance and flex your knees a little.服务员笔直站立着，餐巾折叠着放在他们的手臂上。The waiters stood to attention with napkins folded...

“站立”的英语可以翻译为：arise，stand，arises ...