tough something out
phrasal verb with tough verb uk/tʌf/ us/tʌf/
informal
度过（难关），从（困境）中挺过来
to deal with a difficult period or situation without becoming any less certain or determined in your plans or opinions
It's a difficult situation, but if we can just tough it out, things are bound to get better soon. 处境的确很艰难，但如果我们能挺过去，情况很快就会好转的。