He is teasing a friend.

他在愚弄朋友。

I can't help it, sir.

我也无能为力，先生。

The spacecraft is scheduled to arrive at Saturn next year.

太空船预定明年到达土星。

He studied quite a lot.

他非常用功。

The fallout will probably infect millions.

辐射尘可能对数百万人造成影响。

Some people believe in the Loch Ness monster.

有些人相信尼斯湖水怪是存在的。