soldier on
phrasal verb with soldier verb uk/ˈsəʊl.dʒər/ us/ˈsoʊl.dʒɚ/
（不畏困难）坚持下去，勇往直前
to continue doing something although it is difficult
I admired the way she soldiered on when her business ran into trouble. 公司遇到麻烦时她能一如既往地坚持下去，对此我很敬佩。