mercurial
UK [mɜ:'kjʊə.ri.əl] US [mɜ:r'kjʊr.i-] adjective literary
■changing suddenly and often 多变的，反覆无常的•a mercurial temperament多变的性格 •She was entertaining but unpredictable, with mercurial mood swings.她很会逗人开心，但性格让人捉摸不透，情绪反覆无常。 ■intelligent, enthusiastic and quick 机智而充满热忱的•a mercurial mind/wit活跃的思维／机敏的才智 |