undertake

• Getting married is a serious undertaking .
  结婚是件大事。
• No invasion of enemy territory is ever undertaken .
  对敌国领土也从来没有进犯过。
• The lawyer undertook the case .
  该律师经手承办这宗案件。
• All neglected tasks are being undertaken .
  百废俱兴。
• Do not undertake this on the cheap .
  切勿草率行事。
• Drainage usually has to be undertaken as a first operation .
  第一步通常采取排水措施。
• Science is a human undertaking .
  科学是人类的事业。
• She gave a solemn undertaking to respect their decision .
  她郑重地保证尊重他们的决定。
• The uranium reconnaissance was undertaken in the u.k .
  在英国境内曾开展过铀矿普查工作。
• He undertook for her security .
  他保证她的安全。