To be utterly alone and desolate, with no one but oneself and one's shadow for comfort; to feel extreme loneliness and isolation.
他离乡背井多年，独居在这座城市里，每逢佳节，常常形影相顾，倍感凄凉
Having left his hometown for many years, he lived alone in this city. During every festive season, he often found himself utterly alone, feeling profound desolation.
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