过场戏

过场戏:

Literally means:

interlude play; something insignificant.

Actually means:

It literally means the transitional short play between two important scenes of an opera, where a player merely makes a short show.

It figuratively means something transient, insignificant or transitional.

过场戏，戏曲中重点场子之间的短时间的过渡性场子，角色只露一露面就下场了。

它比喻短暂的、不重要的事情或过渡性的事情。