You look bothered. Is there something I can help you with?
看你好像有点烦恼,有什么我可以帮忙吗?
I'm sorry to burst in on you like this, but I'm really upset.
我很抱歉这样突然地找您,但我真的很心烦。
Marine Studio biologists have pointed out that, however intelligent they may be, it is probably a mistake to credit dolphins with any motive of lifesaving.