1660s, "bark as a (small) dog," earlier as a noun, "yapping dog" (c. 1600), probably of imitative origin. Compare verb yamph in same sense (1718). Originally in reference to dog sounds; meaning "to talk idle chatter" is first recorded 1886. Related: Yapped; yapping. As a noun, 1826 in reference to the sound; 1900, American English slang as "mouth."
权威例句
1. The guy just loves to yap, and will do so at length.
那家伙就爱胡扯,而且一说起来就没完没了。
2. His mother yap ped at him for staying away so long.
他母亲因为他离开她太久而对他吵嚷起来.
3. I told her to shut her yap.
我叫她住嘴.
4. Conclusions Zangzu , Tuzu , Yizu , Pumi, Jino , and Baizu, which belong to Sino - Tibetan language family, carry a high YAP ? +? frequency.