The birds began to chirp uncomfortably, without a pause.The doves were uttering strained coos as the influence of winter prevailed on them.Their attitude was queer.

• 鸽子拖紧嗓门，挤出阵阵咕咕声，似乎寒冬的压迫使得他们喘不过气来，一切令人头晕眼花。