observe calmly and carefully ? 例如畫家的畫人物，也是～，爛熟于心，然后凝神結(jié)想，一揮而就。(魯迅《且介亭雜文末編·“出關(guān)”的“關(guān)”》) Take the drawing of figures by the painters for example. They also observe calmly and carefully until they bear them in mind.Then, lost in thought, they finish the paintings in one go.