This is the 15915th most frequent Russian word.
прослушивают
"Прослушивают" translates to "they eavesdrop" or "they listen in."
This usage illustrates the verb 'прослушивать' in its passive form, used here to indicate that the act of eavesdropping is happening to the subject, their phone.
Они подозревают, что их телефон прослушивают.
They suspect that their phone is being tapped.
Here, 'прослушивают' means to listen to carefully or to audition pieces, applied to musicians evaluating compositions.
Музыканты прослушивают новые композиции для концерта.
Musicians listen to new compositions for the concert.
In this context, 'прослушивают' refers to the action of listening thoroughly and attentively, emphasizing comprehension.