xiào / zhǎng / sān / gù / máo / lú / zhōng / yú / qǐng / lái / le / zhè / wèi / yōu / xiù / de / kē / xué / jiā

校长三顾茅庐，终于请来了这位优秀的科学家。

The principal made repeated personal requests and finally recruited the outstanding scientist.