observe calmly and carefully ❍ 例如画家的画人物，也是～，烂熟于心，然后凝神结想，一挥而就。(鲁迅《且介亭杂文末编·“出关”的“关”》) 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.