绠（綆）ɡěnɡ

[书] （汲水用的绳子） a well rope;rope used for drawing water from a well
◆绠短汲深 a short rope for a deep well — ability inadequate for the task;beyond one's ability to do ...;beyond one's grasp;beyond [out of] one's depth;more than willing,but lacking (the) power;small talent in high position;The rope is short but the well is deep — unequal to a given task.;The rope of the bucket is short but the well is so deep.;within sight but beyond reach