push your luck/push itinformalRISK to do something or ask for something, especially something you have done or asked for before, when this is likely to annoy someone or involves a risk 〔因曾经成功而〕再次冒险；得寸进尺；想（再）交好运 If she doesn’t want to go, don’t push it. 如果她不想去，就别勉强了。
It’s 26 miles, so you’re pushing your luck if you try to hike it in a day. 路途有26英里，要想在一天内走完未免太相信自己的运气了。
→ push your luck/push it at push1(2)