VOA慢速英语:Finding Sweetness in a Cupcake

1. To some people, they are nothing more than a harmless treat or a guilty pleasure to enjoy from time to time.

nothing more than仅仅, 只不过
 
例句：They expected nothing more than a new-type machine.
      他们期望的只不过是一台新型的机器而已。

2.We caught up with the truck about a block from the VOA studios.

catch up with追上, 赶上

例句：You walk on and I'll catch up with you later.
      你往前走吧, 我一会儿就赶上你了。