all of a sudden例句

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