鑽

endiligent study; devoting oneself to one's studies

enstriking sparks with flint and steel or by rubbing sticks together (usu. to start a fire); fire lit by sparks from flint and steel, etc. · purification ceremony in which sparks are struck in the direction of someone (oft. for good luck)

enboring machine; punching machine; perforator

ento quarry; to cut (timber); to cut and carry off · to begin to talk; to break the ice; to broach

enboring; punching

enchisel · burin; graver; engraving tool

ento start a fire (with wood-wood friction or by striking metal against stone)

enself-improvement

enhand drilling (to start a fire); hand drill; rubbing sticks to make a fire

enboring; drilling

enpunched tape; (perforated) paper tape

ento apply oneself (to one's studies, research, etc.); to devote oneself to study; to pursue one's studies with dedication