扶危济困的英文是「rescue the desperately poor and help those who were in difficulty」
fu wei ji kun
扶:帮助;济:搭救,拯救。扶助有危难的人,救济困苦的人。
明·施耐庵《水浒全传》第五十五回:“素知将军仗义行仁,扶危济困,不想果然如此义气。”