“One's speciality” in Japanese
Short answer
One's speciality in Japanese is “お手の物” (otenomono). Full meaning: one's speciality, one's forte, one's strong point.
Other ways to say “One's speciality” in Japanese
御手の物
otenomono one's speciality, one's forte, one's strong point
手のもの
tenomono one's own thing, thing held in one's hand(s); one's speciality, one's forte, one's strong point
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