keep up:continue without stopping They risk losing their homes because they can no longer keep up the repayments. I was so hungry all the time that I could not keep the diet up for longer than a month. Collocation: keep to 坚持；信守 keep up with 跟上；赶上 keep on 继续进行；反复地做 keep off 避开；不让.接近 keep out of 躲开；（使）置身于.之外 Next End