To have one's talents suppressed or wasted, often by being assigned to menial tasks that do not utilize one's full potential.
他一身的才华却只能做些琐碎事务，真是骏骨牵盐，令人惋惜。
Despite his immense talent, he was relegated to trivial tasks, truly a case of a fine steed pulling a salt cart, which is regrettable.
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