老鼠拉龟，无从下手

like mice trying to pull a turtle, nowhere to get a hand grip (idiom) / no clue where to start

prefix used before the surname of a person or a numeral indicating the order of birth of the children in a family or to indicate affection or familiarity / old (of people) / venerable (person) / experienced / of long standing / always / all the time / of the past / very / outdated / (of meat etc) tough

rat / mouse / CL:隻|只[zhi1]

rat / mouse / CL:隻|只[zhi1]

(bound form) rat; mouse

to pull / to play (a bowed instrument) / to drag / to draw / to chat / (coll.) to empty one's bowels

tortoise / turtle

not to have / no / none / not / to lack / un- / -less

not to have access / beyond one's authority or capability / sth one has no way of doing

from / through / via / to follow / to obey / to engage in (an activity) / never (in negative sentence) / (Taiwan pr. [zong4]) retainer / assistant / auxiliary / subordinate / related by common paternal grandfather or earlier ancestor

down / downwards / below / lower / later / next (week etc) / second (of two parts) / to decline / to go down / to arrive at (a decision, conclusion etc) / measure word to show the frequency of an action

not know where to start

to start / to put one's hand to / to set about / the seat to the right of the main guest

hand / (formal) to hold / person engaged in certain types of work / person skilled in certain types of work / personal(ly) / convenient / classifier for skill / CL:雙|双[shuang1],隻|只[zhi1]