sù​yè​bù​xiè

to work hard day and night

Senses

夙夜不懈 sù​yè​bù​xiè (also sù​yè​bú​xiè) to work hard day and night

to be diligent and tireless day and night; to work hard around the clock without slacking

References

same_as 夙夜不懈/夙夜不懈 夙夜匪懈/夙夜匪懈
same_as 夙夜不懈/夙夜不懈 夙夜不怠/夙夜不怠
variant 夙夜匪懈/夙夜匪懈 夙夜不懈/夙夜不懈