1、He was known for his mercurial temperament, always changing his moods from one extreme to another.(他因其善变的脾气而闻名,总是情绪从一个极端变到另一个极端。)
2、Her performance in the play was mercurial, captivating the audience with her range of emotions.(她在这出戏中的表演具有变化无常的特点,以她丰富的情感吸引了观众。)