He felt his limbs growing stiff with the unaccustomed chilliness of the night, and doubted whether he should be able to descend the steps of the scaffold.
他感到由于不惯于夜间的凉意，四肢逐渐发僵，并且怀疑自己还能否走下刑台的台阶。
2
It must be remembered that concentration is an exhausting mental and physical business for those who are unaccustomedto it. Therefore, to begin with, the strain should not be too prolonged.