“探知”的英语可以翻译为：ascertain，detection ...

有人要他探知事情的真相.He was asked to find out how the land lies.她正在从他那里探知有关坦普勒家族的丑闻.She was worming out of him shameful secrets about the Templar family.投资者需要探知漆黑池塘的底部究竟在哪里.Investors need to get to the bottom of the murky pools....