手无缚鸡之力

shǒu wú fù jī zhī lì

lit. lacking the strength even to truss a chicken (saying)

fig. weak; unaccustomed to physical work

shǒu

hand

not to have

to bind

variant of 雞|鸡[ji1]

zhī

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

power