She asked her boss whether she could have the day off.
她问老板可不可以让她请一天假。
You've got to go to school, whether you like it or not.
不管你喜欢不喜欢,你得上学。
It's doubtful whether the car will last another year.
这辆汽车未必还能用上一年。
It remains to be seen whether his project will fly.
他的计划能否成功尚需拭目以待。
We can try that ─ but whether it'll work is another matter.
我们可以试试看——但行不行则是另一回事。