坐视不救 look on with folded arms
sit and look on unconcerned
- 他们需要救援。潮水正在上涨,不一会儿那小岛就要被淹没。你难道一直在这里无动于衷地坐视不救吗?
They need help. The tide's coming in very soon that little island will be under water. Have you been sitting here calmly doing nothing to help them?