run up to
1．amount to总额达到
The bill for the repairs might run up to ￡300．修理费可能会多达300 英镑。
2．come near to as by running跑近
The child ran up to the teacher to show her his drawing．这个孩子跑到老师身边，让她观看他的画。
run wild get out of control 失去控制；胡闹The new teacher lets the children run wild．这位新教师听任孩子们胡闹。
Prices were running wild all over the country．全国物价普遍在上涨。
rush at run towards so as to attack向…冲去；扑向…
He rushed at his enemy with a drawn sword．他拔出刺刀，向敌人冲去。