suddenly disappear 突然消失

　　suddenly enlightened 一下子徹底曉悟 ; 頓時(shí)通達(dá) ; 開(kāi)闊

　　Suddenly Realize 一念之間 ; 猛悟

　　例句：

　　The rope suddenly went slack.

　　繩子突然松了。

　　His eyes were suddenly intent.

　　他的目光突然專注起來(lái)。

　　Her voice was suddenly breathy.

　　她的聲音突然間夾雜了呼吸聲。