Definition
To work extremely hard to the point of exhaustion, making it impossible to continue working.
工作到緊疲不壐
I had to work till I drop to finish this project.
我必須工作到筋疲力盡才能完成這個專案。
She always works till she drops and then goes straight to bed.
她總是工作到筋疲力盡，然後直接上床睡覺。
He works till he drops every day just to provide for his family.
他每天工作到筋疲力盡，只為了養家糊口。