2 sentences for 个头 (gè​tóu — height/stature)

1. 他个头长高了不少。

   tā gè​tóu zhǎng​gāo le bù​shǎo.

   He has grown quite a bit taller.

   Source: Dong Chinese Dictionary

2. 这孩子今年长得很快，个头已经超过他爸爸了。

   zhè hái​zi jīn​nián zhǎng de hěn kuài, gè​tóu yǐ​jīng chāo​guò tā bà​ba le.

   The child has grown so fast this year that he is already taller than his father.

   Source: Dong Chinese Dictionary