词典释义：
释义
an act, commitment, or remark which is regarded as unwise because it invites trouble or could prove difficult to live up to
招惹麻烦（或不明智、很难做到）的行为（或许诺、意见），惹风险之事
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making objectives explicit is to give a hostage to fortune .讲明目标就要惹起风险。