ào kǎ mǔ tì dāo
Occam's razor
奥
ào
(bound form) Austria (abbr. for 奧地利|奥地利[Ao4 di4 li4])
卡
kǎ
to stop
姆
mǔ
(old) female tutor
剃
tì
variant of 剃[ti4]
刀
dāo
knife; blade; single-edged sword; cutlass (CL:把[ba3])