<prompt> Translate the following text to SwahiliHis thumb and finger moved downward delicately, with all the skill of practice at working with nearly invisibly fine wires on delicate instruments.  <response>: Kidole chake kikubwa na kidole chake kilitembea chini kwa uangalifu, kwa ustadi wote wa kufanya kazi na waya nyembamba zisizoonekana kwenye vyombo vyenye utulivu. 