savvy
n[U]
(sl 俚) common sense; understanding 常识; 理解
Where´s your savvy? 你的常识到哪里去了? savvy v (pt, pp savvied) [I]
(sl 俚) (usu in the imperative or present tense 通常用於祈使句或现在时态) understand; know 理解; 知道
Keep your mouth shut! Savvy? 闭上嘴! 懂吗?
No savvy, ie I do not know/understand. 我不知道[懂].