如果发生最坏的事情;如果情况变得过于艰难(或危险)
if the situation becomes too difficult or dangerous
If the worst comes to the worst, we'll just have to sell the house.如果最坏的事发生,我们就只好把房子卖掉。
释义来自《牛津高阶英汉双解词典》第 9 版