bear down 1. 把…压下去；压倒，击败 branches of a tree borne down by the heavy yield 被沉甸甸的果实压得下垂的树枝 be borne down by ill health 被疾病拖垮了身体 bear down all opposition 压倒所有的反对派势力 2. 竭尽全力 You will have to bear down if you expect to pass the examination. 你要是指望考试及格的话，就得加一把劲。 3. (产妇)用力产出胎儿 The nurse will tell you when to bear down. 护士会告诉你分娩过程中什么时候用力。