奥卡姆剃刀

ào kǎ mǔ tì dāo

Occam's razor

ào

(bound form) Austria (abbr. for 奧地利|奥地利[Ao4 di4 li4])

to stop

(old) female tutor

variant of 剃[ti4]

dāo

knife; blade; single-edged sword; cutlass (CL:把[ba3])