Meaning of 本領発揮 in Japanese

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Definition of 本領発揮

はっき(hakki) 【発揮】

ほんりょう(honryou) 【本領】

(n) speciality; specialty; characteristic
この作家が本領を発揮しているのは短編小説だ。
This writer is at his best in his short stories.
proper function; duty
original fief