根据《张道真英语语法》：run 有时也可用作系动词，表示“变成（什么样子）”，相当于 become, 后面只能跟少数形容词。如：

The well ran dry. 井干涸了。

My blood ran cold. 我的血变凉了。

I have run short of money. 我缺钱用了。

These shirts run small. 这些衬衫小了。

Feelings against him ran high. 反对他的情绪高涨。

Our supplies are running low. 我们的供应品不多了。

The crowd ran riot in the streets. 群众在街上乱跑。

The violets are running wild in the flower bed. 紫罗兰在花圃里乱长。

The tide was running strong. 潮水上涨了。

The disease is running rife in the slums. 在贫民区这个疾病猖獗。

△偶跟副词或介词短语：

My contract runs out in September. 我的合同九月份到期。

Our supplies soon ran out. 我们的供应品很快用完。

The truck’s run out of gas again. 卡车又没有汽油了。