身轻如燕

as lithe as a swallow (of athlete or beautiful girl)

as / as if / such as

body / life / oneself / personally / one's morality and conduct / the main part of a structure or body / pregnant / classifier for sets of clothes: suit, twinset / Kangxi radical 158

light / easy / gentle / soft / reckless / unimportant / frivolous / small in number / unstressed / neutral / to disparage

Yan, a vassal state of Zhou in modern Hebei and Liaoning / north Hebei / the four Yan kingdoms of the Sixteen Kingdoms, namely: Former Yan 前燕[Qian2 Yan1] (337-370), Later Yan 後燕|后燕[Hou4 Yan1] (384-409), Southern Yan 南燕[Nan2 Yan1] (398-410), Northern Yan 北燕[Bei3 Yan1] (409-436) / surname Yan

swallow (family Hirundinidae) / old variant of 宴[yan4]

variant of 燕[yan4]