1、对
... from all over the world 来自世界各地的 be delighted with 对...很满意 play against (someone) 同（某人）比赛 ...
2、对……感到高兴
...We are not content with the present achievements. 我们不满足于目前的成就。 䴟be delighted with 对……感到高兴 摰They were delighted with the result. 他们对这结果感到很高兴。 ...
3、对……感到满意
...be content with 对……感到满足;对……满意be delighted with 对……感到满意be familiar with 熟悉;精通 ...