To raise and turn under(the upper lip), as in snarling or showing scorn.

撇嘴，翘嘴翘起或撇起（上嘴唇），如在咆哮或表示轻蔑时。

youdao

To raise and turn under(the upper lip), as in snarling or showing scorn.

撇嘴，翘嘴翘起或撇起（上嘴唇），如在咆哮或表示轻蔑时。

youdao