I asked whether they could change my ticket.

　　我問他們是否可以給我換票。

　　Whether I believe you or not is irrelevant now.

　　我是否相信你，現(xiàn)在已無關(guān)緊要了。

　　The jury is out on whether or not this is true.

　　這是否屬實(shí)尚無定論。