xiàn / zài / cái / kāi / shǐ / zhǔn / bèi / yǎn / jiǎng / wèi / miǎn / yǒu / diǎn / lín / zhèn / mó / qiāng

现在才开始准备演讲，未免有点临阵磨枪。

Starting to prepare the speech only now is rather like cramming at the last minute.