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instruction (in martial arts, performance, etc.);teaching;coaching
from the compass in a 指南車 always pointing the same direction
See also:
指南車 (しなんしゃ)
代わりと言っては何ですが、・・・私が、いささか、ご指南いたしましょう。
It would be presumptuous to call myself his replacement, but I could offer some guidance.
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Shinan