try out
  試驗,試用
  try out
       v 1: put to the test, as for its quality, or give experimental
            use to; "This approach has been tried with good
            results"; "Test this recipe" [syn: test, prove, try,
             examine, essay]
       2: try something new, as in order to gain experience; "Students
          experiment sexually"; "The composer experimented with a
          new style" [syn: experiment]
       3: perform in order to get a role; "She auditioned for a role
          on Broadway" [syn: audition]
       4: take a sample of; "Try these new crackers"; "Sample the
          regional dishes" [syn: sample, try, taste]