on trial   (TTS發音)

1. on probation試驗；試用

    The new clerk was found on trial to be incompetent. 這個新職員試用後被發現不合格。

    You may take it on trial；if you like it，then buy it. 你可以把它拿去試用，要是你喜歡，就買下來。

2. in a court of law受審

    John White was on trial for murder. 約翰?懷特因謀殺罪受審。