ADJ If you describe someone's judgment or ability as unerring, you mean that they are always correct and never mistaken. 从不出错的 [usu ADJ n]
unerringly ADV [ADV with v, ADV adj]
She has an unerring instinct for people's weak spots.
She had an unerring instinct for a good business deal.
Yet for someone so mindful of secrecy, Mr Assange also shows an unerring knack for attracting attention.