It was a pact made in fun long ago.

I'm not saying it in fun.

我讲这话不是开玩笑的.

He said so only in fun.

他这样说只是开开玩笑.

I think I can gain more knowledge in fun.

我认为我可以在快乐中获取知识.

Don't say such things, even in fun.

不要说这些话，就算是开玩笑也不行。

The monkey thought twas all in fun.

猴子把这当成玩笑.

Although our joking was all in fun, Joe took it to heart.

尽管我们只是开开玩笑, 乔却很在意.

She did it in fun.

她是干着玩的.

I said it only in fun.

我这么说只是开个玩笑(或闹着玩)而已.

He only said it in fun he didn't really mean it.

他只是说着玩儿--并非真是那个意思.

That is why the clothes should be creative and in fun colors.

这就是为何孩子的衣服应该注重创新和新奇的颜色.

The race is all in fun.

这比赛纯粹是为了好玩.

The monkey thought it was all in fun.

猴子认为这是很有意思的游戏.

We may find it useful in future.

这东西日后可能用得着.

Please date your letters to me in future.

以后请在你给我的信上写明日期.

Please be punctual in future.

今后请准时.

In future, make sure you get here on time.

今后, 要保证准时来这里.

I asked her to be more careful in future.

我要她以后要更加小心。

How rigorously the test will be applied in future cases is unclear.

现在还不清楚在将来的案例中,对这种检验的运用能严厉到何种程度.

In future the President will be chosen by the people instead of by the National Assembly.

今后总统将由人民选举产生，而非国民议会选出。

I'll be more careful in future.

以后我会小心些.