涓埃之力

juān āi zhī lì

negligible force (idiom); tiny force

juān

brook

āi

abbr. for Egypt 埃及[Ai1 ji2] or Ethiopia 埃塞俄比亞|埃塞俄比亚[Ai1 sai4 e2 bi3 ya4]

zhī

(possessive particle, literary equivalent of 的[de5])

power