▲ I&`&m burning the candle at both ends.
I&`&ve been burning the candle at both ends trying to prep for my IELTS and end of semester exams.
▲ She goes the extra mile.
I like to make sure that all of my work is high quality so I am always willing to go the extra mile to get things right.
▲ He is pulling his own weight.
I don&`&t think that everyone on our team is pulling their weight. it seems like I am the only one actually doing any work.
▲ I am buckling down.
I have been goofing off all semester but the midterm exam is next week and I really need to buckle down.
▲ work your butt/ass off
I know you thought it was just a silly New Year&`&s resolution, but I&`&ve been working my butt off at the gym!
▲ Work yourself to the ground, work your socks off
The lawyers that I know earn a lot of money but they work their socks off.
▲ work up a sweat
The volunteers are working up a sweat to make sure everything is ready on time.
▲ work like a trojan/dog
▲ work all the hours that God sends
She works all the hours that God sends to support her family.
▲ work your fingers to the bone
He worked his fingers to the bone so his children could have everything they needed.