Complex sentence: By this time, according to Bukhstab, Leskov again found himself in isolation: the right were treating him as a dangerous radical, while the left, under pressure from the Russian government, were too scared to publish radical prose.
Split into simpler sentences: By this time, according to Bukhstab, Leskov found himself in isolation again. The right treated him as a dangerous radical, while the left, under pressure from the Russian government, were too scared to publish radical prose.