undertaking [ˌʌndərˈteɪkɪŋ]

例句:

• His first essay in running a company was a notoriously tough undertaking.
  众所周知，他第一次尝试经营公司时十分艰难。
  来自柯林斯例句
• He had no great hopes for the success of his undertaking.
  他对自己事业的成功不抱太大希望。
  
• This mammoth undertaking was completed in 18 months.
  这项艰巨的任务在18个月内完成了。
  
• The radical reconstruction of society is a huge undertaking.
  来自B. Magee
• Finding a vaccine has become an increasingly urgent undertaking.
  来自SA
• Networking is key when undertaking the reinvention process.
  来自WSJ