Freezing feet while burning the midnight oil Due to this energy-draining workday, which would begin at seven in the morning, Chang's legs would begin to cramp up around ten due to his having lost so much sweat.
冰著雙腳熬夜苦讀清晨 7 點上工，這樣榨乾體能的工作，讓張清來在十點多時就會因為流汗、鹽分失去過多而全身痙攣。