Meaning of xiǎng bu dào:
想不到
unexpected
Wǒ zhēn xiǎng bu dào nǐ huì zài zhèlǐ chūxiàn!
我真想不到你会在这里出现!
I really didn't expect you to show up here!
hard to imagine; it had not occurred to me; who could have thought that
Zhēn xiǎng bu dào tā huì yíngdé bǐsài.
真想不到他会赢得比赛。
It's really hard to imagine that he would win the competition.
Wǒ cónglái xiǎng bu dào shìqíng huì yǒu zhèyàng de zhuǎnbiàn.
我从来想不到事情会有这样的转变。
It had never occurred to me that things would take such a turn.
Xiǎng bù dào tā jìngrán shì zhè cì bǐsài de guànjūn!
想不到他竟然是这次比赛的冠军!
Who could have thought that he would be the champion of this competition!