be engaged upon

常见例句

权威例句

• "We are prepared if called upon to be engaged as we were in Libya, " he said.
  NPR: Commander: Contingency Plans Under Way For Syria
• The NFL argues that this is the end game the union has wanted all along and they have engaged in sporadic and half-hearted bargaining, only to be able to decertify in March upon a lockout.
  FORBES: NFL Labor Pains: An Issue Of Trust
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