Chinese phrase translation: 乌鸦嘴(wūyā zuǐ )crow’s beak

乌鸦嘴(wūyā zuǐ )crow’s beak /doomsayer

Usage:

中国人认为乌鸦是一种不祥的预兆。 而“乌鸦嘴”形容人口无遮拦，直言直语，说出不中听不吉利的话，而且往往会很灵验。
Chinese people consider crow as a bird of ill omen. So “乌鸦嘴” is used to describe people who usually say sth. ominous directly . What’s more, the prediction could be efficacious.
Sentences:

1、A: Fēijī yào qǐfēi le ba , wǒmen shìbúshì gǎn bù shàng le?
甲：飞机要起飞了吧，我们是不是赶不上了？
A: Has the plane already been taken off? We are not able to catch it up, are we?
B: Kuài bìshang nǐde wūyāzuǐ ba ,wǒmen yídìng néng gǎnshang de.
乙：快闭上你的乌鸦嘴吧，我们一定能赶上的。
B: Shut up! We are sure to catch the plane.
2、Wǒ zhēn bú shì gè wūyā zuǐ, zhèjiàn shìqing jiùshì gè qiǎohé.
我真不是个乌鸦嘴，这件事情就是个巧合。
I am really not a doomsayer because this thing is just a coincidence.