All of a sudden my heart hardened against her.突然间我对她硬起了心肠。All of a sudden she didn't look sleepy any more.她突然看起来一点都不困了。"So why did he get interested all of a sudden?"— 'Search me.'“那他为什么突然感兴趣了？”——“我怎么知道。”...

all of a sudden的音标：all of a sudden的英式发音音标为：[ɔ:l ɔv ə 'sʌdən]all of a sudden的美式发音音标为：[ɔl ʌv e 'sʌdn]...

突然地，突如其来地，猛然地，恍...