例句：

　　She gave him the bad news without preamble.

　　她開門見山地把壞消息告訴了他。

　　Life just happens, often without preamble.

　　生活恰恰是，往往沒有序言。

　　Our financial situation had become precarious.

　　我們的財政狀況已經(jīng)不穩(wěn)定了。

　　That ladder looks very precarious.

　　那梯子看來搖搖晃晃的。