bó láo fēi yàn
借指离别的亲人或朋友。
《玉台新咏 古词〈东飞伯劳歌〉》:“东飞伯劳西飞燕,黄姑织女时相见。”
伯劳飞燕作主语、宾语;指离别的亲人。
the shrike and the swallow flying in different directions--the couple has been torn apart against their own wishes