This encyclopedia is truly a compendium of knowledge.
这部百科全书真正是知识宝库.
There are times when I truly believe your questions will drive me crazy.
有时候, 我真的认为你的问题会使我精神错乱。
Is a questionnaire answeredby 500 people truly representative of national opinion?
一份调查问卷有500人作答, 是否能真正代表全国人民的意见?