These tentative exchanges evolved into a complex intelligence sharing relationship.
In May 2003, Washington ended a series of tentative exchanges amid charges that Iran had a role in suicide bombings in Saudi Arabia.
There was not much concern for either celebration or concern in the tentative early exchanges – until a glorious running retrieval on the backhand to give Federer a two-point lead in the fifth game.
She was strangely tentative about the exchange, as if she weren't used to buying nice things for herself.
Despite their tentative, sometimes tender exchanges, the three remain essentially alone, an isolation underscored by the shallow depth of field that leaves only their faces in poignant focus.
Inside the abandoned United Nations compound where the Taliban hosts kept their foreign guests for three days, rank-and-file Taliban soldiers and journalists from all over the world had exchanged tentative smiles and furtive conversations.
Mr. Bernal and Ms. Gainsbourg resemble a pair of fine-boned, exotic birds, exchanging tentative mating calls in their differently accented English (his tinged with Spanish, hers an eerily perfect echo of her mother, the British actress Jane Birkin).
About a year ago, the two sides reached a tentative agreement that in exchange for $300 million to $400 million in accrued interest, the company would give creditors a 30percentt stake and reduce the family's stake to 40percentt from roughly 60percentt.
And you may never again see the first tentative kiss of adolescence exchanged between a boy and a bespectacled she-squid.
On Friday, the futures prices fell again, this time hitting the lower limits on all three exchanges, on tentative reports that Russia might honor some of its export contracts after all or at least postpone the embargo until after its wheat harvest.
In a stark exchange spoken in tentative French, which is neither boy's mother tongue, the two reveal their grief in the plainest terms: "I'm all alone".
