谁能教教我这句话什么意思 how long it would take him to get to the bigges

谁能教教我这句话什么意思 how long it would take him to get to the biggest
how long it would take him to get to the biggest
还有biggest是什么意思
how long it would take him to get to the biggest hospital in town
另外请解释it would take 什么作用