摘桃子

zhè wèi zhǔ rèn zǎo bù lái wǎn bù lái piān tiāo wǒ men shí yàn chéng gōng zhè yī tiān lái lòu miàn hěn míng xiǎn tā shì lái zhāi táo zi de

这位主任早不来，晚不来，偏挑我们实验成功这一天来露面，很明显他是来摘桃子的。

The director has chosen to make his appearance on the very day we have successfully completed our experiment. Clearly he has come to share the glory.