没把握

• I don't know about that .
  对此我可没把握。
• It was a gamble .
  这是一件没把握的事。
• The dilution method was obviously too tedious and uncertain for routine use .
  稀释法明显太费事、太没把握了，不适用于常规操作。
• "he had a badly bruised face", said i, recalling what i hardly knew .
  我说，“他脸上有老大一块伤”其实我自己也没把握当时是否看真切了。
• Bloggs could take no satisfaction in the likelihood that faber was dead. it was too inconclusive .
  费伯可能死了，但布格斯对这个“可能”很不满足，这太没把握啦。
• I will look into it for you , but i ' m not sure
  我会为你留心此事的，但是没把握。
• Maybe your timing is a little off this time
  也许，这一次你时机没把握好。
• I ' m honored , but i ' m not sure i ' m the right person
  很荣幸，不过我是否胜任，可没把握。
• I ' m not sure we have that much on hand
  我没把握现在的量有没有那么多。
• When in doubt , suggest that a subcommittee be appointed
  没把握的时候就提议设立专案小组。