Pentru folosirea dicţionarului te rog permite JavaScript! Cum?
on the Q.T.▼(secretly)preposition
on the sly▼(slyly, in an inconspicuous manner, so as not to be seen; secretly; stealthily)adverb[UK: ɒn ðə slaɪ] [US: ɑːn ðə sˈlaɪ]
↑