Complex sentence: In the circumstances, Osborne cannot have expected to hold office as Serjeant for much longer: "he must certainly be turned out of his place", said the Lord Lieutenant grimly, for "every day he behaves himself more treacherously and ungratefully".
Split into simpler sentences: In the circumstances, Osborne cannot have expected to hold office as Serjeant for much longer. "He must certainly be turned out of his place", said the Lord Lieutenant grimly, for "every day he behaves himself more treacherously and ungratefully".