Tom doubts whether Mary is honest.
Next, let us think about whether we have the time to look after a dog.
Our whole case hinges on whether the government's actions were constitutional or not.
I'm anxious whether I'll do well at this new job.
Human beings, whether they realise it or not, continually seek happiness.
Whether I'm sleeping or awake, this subject is always in my mind.
We went over the house before deciding whether to buy it.
Whether the news is true or false makes little difference.
When I was younger I could remember anything, whether it happened or not.
It's hard to love somebody when you don't know whether they love you as much as you love them.
I'm concerned whether or not I can handle a big job like that.
I'm wondering whether Tom would ever consider helping me with my homework.
I wonder whether a man could live with only two hours' sleep a night.
Computers are certainly playing an important role in our life, whether we like it or not.
Some companies are still debating whether to get Internet access.
English word "是否"(whether) occurs in sets:最常用1000英语单词 601-650
2. whether or not
I don't know whether or not I can get into that university.
English word "是否"(whether or not) occurs in sets:Top 1000 Chinese words 501 - 550