已久

听到期盼已久的放假好消息，住宿生们都巴不得立刻飞回父母身边。

tīng dào qī pàn yǐ jiǔ de fàng jià hǎo xiāo xī, zhù sù shēng men dōu bā bù dé lì kè fēi huí fù mǔ shēn biān.

After hearing the long-awaited good news about the holiday, the boarding students were eager to fly back to their parents immediately.

在大学毕业前夕的晚会上，他终于鼓起勇气向暗恋已久的女生表白了心意。

zài dà xué bì yè qián xī de wǎn huì shàng, tā zhōng yú gǔ qǐ yǒng qì xiàng àn liàn yǐ jiǔ de nǚ shēng biǎo bái le xīn yì.

At the party on the eve of his college graduation, he finally plucked up the courage to confess his feelings to the girl he had been secretly in love with for a long time.

听完物理特级教师在白板上用几何图形画出的辅助推导线，困惑已久的学生们顿时恍然大悟、豁然开朗。

tīng wán wù lǐ tè jí jiào shī zài bái bǎn shàng yòng jǐ hé tú xíng huà chū de fǔ zhù tuī dǎo xiàn, kùn huò yǐ jiǔ de xué shēng men dùn shí huǎng rán dà wù, huò rán kāi lǎng.

After listening to the auxiliary derivation lines drawn by the physics master teacher using geometric figures on the whiteboard, the students who had been confused for a long time suddenly became enlightened and enlightened.