Слово "inform". Англо-русский словарь Мюллера

"To return instantly to England, and to inform him as soon as the duke leaves London."

At three o’clock precisely I was at Baker Street, but Holmes had not yet returned. The landlady informed me that he had left the house shortly after eight o’clock in the morning. I sat down beside the fire, however, with the intention of awaiting him, however long he might be. I was already deeply interested in his inquiry, for, though it was surrounded by none of the grim and strange features which were associated with the two crimes which I have already recorded, still, the nature of the case and the exalted station of his client gave it a character of its own. Indeed, apart from the nature of the investigation which my friend had on hand, there was something in his masterly grasp of a situation, and his keen, incisive reasoning, which made it a pleasure to me to study his system of work, and to follow the quick, subtle methods by which he disentangled the most inextricable mysteries. So accustomed was I to his invariable success that the very possibility of his failing had ceased to enter into my head.

She had a turn for narrative, I for analysis; she liked to inform, I to question; so we got on swimmingly together, deriving much entertainment, if not much improvement, from our mutual intercourse.

It is not natural that a man like you should possess such a diamond. He will inform against you. You will have to find the Abbe Busoni; and abbes who give diamonds worth two thousand louis are rare. The law would seize it, and put you in prison; if at the end of three or four months you are set at liberty, the ring will be lost, or a false stone, worth three francs, will be given you, instead of a diamond worth 50,000 or perhaps 55,000 francs; from which you must allow that one runs considerable risk in purchasing.'