Page 406 - Makino,Tsutusi.DictionaryOfIntermediateJGrammar

332 o tdshite
- vh Y ti Pri
(i) wums ;~&&~LT$~'X-~..&J~LI~~
ITL If
(They found the criminal through the fingerprints left behind at the
scene of the crime.)
$$
b.9 Lti
(j) xi&-- ~BZLT, --EBR~B&~:L ~CGL\,
(My father has never left Tokyo in his life.)

0 tdshite means 'through the medium of -' or 'through specific duration of
time.'

Tdshite can be replaced by tsujite in all cases except when the medium is a
concrete, physical medium as in Exs.(g) - (i).