precipitance [prɪ'sɪpətəns]

例句:

• The youth expects to force his way by genius, vigour, and precipitance.
  年青人希望凭借才能, 魄力和锐气,强行开辟自己的道路.
  
• At least, therefore, I did not needless precipitance merely to shew off before the ladies.
  因此, 我至少不是故意要显得那么神速,想要在小姐们面前炫耀自己.