短语讲解：

1. She can help you search for a contact.

search for 搜索，搜寻; 访求
例句：The search for peace also means the search for justice.
寻求和平也意味着寻求正义。

2. If you have an iPhone, try it out. Let us know what happens!

try out 试行; 试用，试验
例句：You ought to try out that radio before you buy it.
那部收音机你应该试了再买。