您要查找的是不是：
- 十四五岁的孩子正是蹿个儿的时候。14 or 15 year olds can grow tall very quickly.
- 一队学生鱼贯而入,共有十四五个人。A group of students filed in,fourteen or fifteen all told.
- 三个月后，在那十四五艘当初运载这些移民渡海而来的小帆船周围，就兴建了一个小小的村庄。And three months afterwards,around the twelve or fifteen small vessels which had brought these gypsies of the sea,a small village sprang up.
