Focus on the pronunciation of trial
English definition of “trial”
/ˈtrɑɪˌəl/, /trɑɪl/ n [C/U] (TEST)
› a test, usually over a limited period of time, to discover how effective or suitable something or someone is: [C] The agency plans to conduct clinical trials of the drug. [U] We have the videotapes on a trial basis for one week – if we don’t like them, we can send them back.