是否

The doctors held a consultation to decide whether an operation was necessary.

医生们会诊以决定否需要动手术。

Whether or not we arrive on time is contingent on the weather.

我们否达要视天气情况而定。

Whether there are convenient to carry crampons, skis, snow shoes, alpenstock design.

否有方便携带冰爪、雪橇、雪鞋、登山杖设计。

Is the child abnormal in any way?

这孩子否在哪方面有点不正常?

Colleges may be accredited by regional associations.

学会否合格可由地区各协会作出鉴定。

Is this interest in health foods just a passing craze?

这股健康食品热潮否转瞬即逝？

The enormous difficulty makes him cynical about the feasibility of the idea.

由于困难很大, 他对这个主意否可行持怀疑态度。

They raised a query on his sincerity.

他们对他否真诚提出质疑。

Life measures out its rewards in ways unrelated to how people deserve them.

生活分送给人们报酬与人们否应该得无关。

I query very much whether it is wise to act so hastily.

我真怀疑如此操之过急地行动否明智。

His mother scanned his face to see if he was telling the truth.

他母亲仔细观察他面容想查明他否说真话。

She scanned his face to see if he was telling the truth.

她审视着他, 他讲否真话。

All parts of the aircraft are closely scrutinised for signs of wear or damage.

飞机所有部件都经过严密检查以确定否有磨损或毀坏迹象。

Experienced seamen will advise you about whether you should sail the boat in this weather.

有经验海员会告诉你在这种天气下否可以航行。

Have you reckoned the cost of postage in?

你否已把邮费计算在内?

Make sure that the hook is fully screwed in.

钩子否已完全旋进去了。

I peeped through the window to see if she was there.

我从窗子了她否在那里。

When I asked him if he could do so,he replied proudly,“What else?”

我问他否做得,他傲然地回答:“那还用问吗?”

I'm not sure about rhyming perestroika with balalaika.

我不知道perestroika否与balalaika押韵。

They X-rayed my arm to see if it was broken.

他们给我用X光照相检查我胳膊否断了。