question sb (about/on sth)to ask sb questions about sth, especially officially 正式提问；质询；问◆Investigators have questioned the company's accountants. 调查人员已经讯问了公司的会计师。
to have or express doubts or suspicions about sth 表示疑问；怀疑◆Analysts questioned whether shareholders would benefit from the deal. 分析员怀疑股东是否能从这笔交易中获益。