依葫芦画瓢

lit. to draw a dipper with a gourd as a model (idiom); fig. to copy slavishly

lit. to draw a gourd from the model (idiom); fig. to copy sth mechanically without attempt at originality

lit. to follow the recipe (idiom); fig. to follow a set pattern

lit. drawing a tiger using a cat as a model (idiom); fig. to follow a model and get things more or less right but without capturing the spirit of the subject; uninspired imitation

lit. to follow the recipe (idiom); to follow the same plan

to imitate what sb else does; to follow sb's example