And then, unaccountably, she giggled.
接着，她莫名其妙地咯咯笑了起来。
柯林斯例句
Leonard felt unaccountably happy.
伦纳德感到说不出的高兴。
柯林斯例句
He has been unaccountably delayed.
他被莫名其妙地耽误了。
《牛津高阶英汉双解词典》
She was unaccountably irritated.
她莫名地生气.
《简明英汉词典》
Unaccountably, he kept silent.
令人难解的是, 他竟一直保持沈默.
《简明英汉词典》
The train stopped unaccountably ; shortly afterward a ticket inspector began ; the inspector's face was vaguely familiar.
列车无故停驶,不一会儿又开始查起票来,查票人的脸有些眼熟.
辞典例句
"in the book, a tycoon unaccountably becomes the hero's friend"