工具书

reference book (such as dictionary, almanac, gazetteer etc)

work / worker / skill / profession / trade / craft / labor

tool / instrument / utensil / means (to achieve a goal etc)

tool / device / utensil / equipment / instrument / talent / ability / to possess / to have / to provide / to furnish / to state / classifier for devices, coffins, dead bodies

abbr. for 書經|书经[Shu1 jing1]

book / letter / document / CL:本[ben3],冊|册[ce4],部[bu4] / to write