气球: balloon...
丰硕: plentiful, substantial, rich (in resources etc)...
罪犯: criminal...
大有可为: with great prospects for the future (idiom); well worth doing...
低下: low status, lowly, to lower (one's head)...
一路: the whole journey, all the way, going the same way, going in the same direction, of the same kind...
海外: overseas, abroad...
地名: place name, toponym...
失落: to lose (sth), to drop (sth), to feel a sense of loss, frustrated, disappointment, loss...
过道: passageway, corridor, aisle...