hard-headedadj.
ha:d'hedid
中文adj. 头脑冷静的
词根词源
hard-headed (adj.)also hardheaded, 1580s, "stubborn," from hardhead "dull person" (1510s), from hard (adj.) + head (n.). Meaning "practical, shrewd" is attested from 1779. Compare Dutch hardhoofdig "stupid."
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