轉筆刀

pencil sharpener

knife / blade / single-edged sword / cutlass / CL:把[ba3] / (slang) dollar (loanword) / classifier for sets of one hundred sheets (of paper) / classifier for knife cuts or stabs

pen / pencil / writing brush / to write or compose / the strokes of Chinese characters / classifier for sums of money, deals / CL:支[zhi1],枝[zhi1]

see 轉文|转文[zhuai3 wen2]

to turn / to change direction / to transfer / to forward (mail) / (Internet) to share (sb else's content)

to revolve / to turn / to circle about / to walk about / classifier for revolutions (per minute etc): revs, rpm / classifier for repeated actions