中国語の対話での「但不知出于什么原因」(dàn bù zhī chū yú shén me yuán yīn)の使い方

dànzhīchūshénmeyuányīn
Idioms & Colloquial Expressions
INTERACTIVE SCRIPT TIMELINE
LINE 0124:29
lián
jiā
shǔ
qiān
LINE 0224:30
PLAYING SCENE
dàn
zhī
chū
shén
me
yuán
yīn
LINE 0324:32
qín
míng
diū
xià
Show Information
Source MediaTV Series
Season & EpisodeS1 E5
Timestamp24:30
TMDB ID283950