开讲

xiàn zài wǒ jiē zhe zuó tiān de kāi jiǎng

现在，我接着昨天的开讲。

Now, we'll begin where we left off yesterday.

zǒu shang jiǎng tái shí bù yào kào zài jiǎng tái shang yě bù yào huāng máng kāi jiǎng

走上讲台时，不要靠在讲台上，也不要慌忙开讲。

When you reach the lectern, don't lean on it, and don't rush into your speech.