A dip in German trade volumes argued for more ECB easing, but most analysts say the dollar will not make more progress until there are clearer signs from the U.S. Federal Reserve that it is firmly on track to raise interest rates next year.
Fed policymakers Jeffrey Lacker and Narayana Kocherlakota are both due to speak later on Tuesday.
"We were looking for the dollar to struggle in the first half of the year, but as we head into H2 we have revised our forecasts to extend that theme into the third quarter," said Adam Cole, head of G10 currency strategy with RBC in London.
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"Eventually we expect the USD trend to turn, and by 2015, we are looking for the kind of broad-based USD strength that theconsensus was expecting in 2014."
Germany's hugely positive balance of trade is one underlying reason for the euro's strength and it recorded a record trade surplus of almost 19 billion euros in May. But signs for the broader strength of the euro zone's biggest economy were less positive - both exports and imports fell sharply.
The pressure on euro zone exporters due to the single currency's strength this year was underlined by Airbus chief Fabrice Bregier's call for a 10 percent devaluation of the euro.
"The German data has been a bit disappointing and that is pointing the way to more pressure on the ECB to move again but I think people are still scratching their heads,'' said Rabobank strategist Jane Foley.
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"There is a difficulty for the ECB in pushing the euro lower as long as the Fed is not clearly on the way to higher rates."
The dollar eased 0.1 percent to 101.775 yen, inching away from a two-week high of 102.27 yen set last Thursday.
The Australian dollar gained a bit of a reprieve, edging up 0.2 percent to $0.9390 and edging away from a two-week low of $0.9327 plumbed last week.
Yet it remained well below a recent high of $0.9505, with markets yet to fully get over the central bank's latest attempt to talk the currency lower.
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Investors are now waiting for more definitive signs that something will happen on the central bank front, said Emma Lawson, senior currency strategist at National Australia Bank in Sydney.
"With many consensus trades over the year having been thwarted, it may take the evidence of change to be overwhelming before participants join and create a trend," Lawson added.