她母亲去世时我们设法安慰她，但很难奏效。
We tried to console her when her mother died but it was very difficult.
她丈夫去世时我们设法安慰她，但很难奏效。
We tried to console her when her husband died but it was very difficult.
但还是很难想象世界足坛还能有几个人有此胆量做出如此大胆的举动，更不用说还奏效了。
But it's hard to imagine too many other figures in world football with the guts to take such a bold step, much less to pull it off.
但其律师团会发现对赫德先生提起诉讼很难奏效。
But its lawyers could find it tough to make a case against Mr Hurd stick.
这让我很难为情，老师也经常找我谈话，但这并不奏效。
This made me embarrassed. Teacher often talked with me, but it never worked.
但瑞典房地产市场却生动地表明，这剂药方很难奏效。
But this medicine is hard to administer, as Sweden's housing market vividly illustrates.
但瑞典房地产市场却生动地表明，这剂药方很难奏效。
But this medicine is hard to administer, as Sweden's housing market vividly illustrates.
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