登峰造极 [- fēnɡ zào jí](比喻修养、造诣达到最高境地) reach the peak of perfection; come to a climax; have a very high level (of scholastic attainment or technical skill); reach great heights; reach the limit：
•¶ 他的人物画在当时可谓登峰造极。 His painting of people attained a level never known before.