hard-bitten

1. ADJ If you describe someone as hard-bitten, you are critical of them because they do not show much emotion or have much sympathy for other people, usually because they have experienced many unpleasant things. (常指因經歷過很多艱苦而)鉄石心腸的; 麻木不仁的[usu ADJ n] [表不滿]

...a cynical hard-bitten journalist. ...一位憤世嫉俗、麻木不仁的記者。