entablar amistad con

(v.) = establish + familiarity con, chum with, strike up + friendship with

Ex. Her attitude enabled him, and everyone else on the staff from what he could gather in the brief time he had been there, to establish a pleasant familiarity with her.

Ex. Cryptanalysts mostly work behind closed doors, and it is difficult to chum with a clever person doing such a secret research.

Ex. One of the immediate results was that she struck up a friendship with Jeffrey Gordon, a young consultant assigned to the R&D section.

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(v.) = establish + familiarity con, chum with, strike up + friendship with

Ex: Her attitude enabled him, and everyone else on the staff from what he could gather in the brief time he had been there, to establish a pleasant familiarity with her.

Ex: Cryptanalysts mostly work behind closed doors, and it is difficult to chum with a clever person doing such a secret research.

Ex: One of the immediate results was that she struck up a friendship with Jeffrey Gordon, a young consultant assigned to the R&D section.