日夜操劳 [
rì yè cāo láo]
work indefatigably day and night
exert oneself day and night (for...)
labour day and night
work round the clock for ...
- 我和哥哥为了养家糊口而日夜操劳。
My elder brother and I worked day and night to keep the family. - 梦想着让日夜操劳的恩师为我们感到自豪。
dream mentor toil day and night so that we are proud of it. - 大禹花了十三年的功夫,日夜操劳,终于使洪水各归其道。
It took Da Yu the king thirteen years to bring the rivers under control . He worked hard day and night .