这个笑话事与愿违，最终冒犯了所有人。

The joke backfired and ended up offending everyone.

营销活动事与愿违，实际上降低了销售额。

The marketing campaign backfired and actually decreased sales.

他们试图解决问题的努力事与愿违，反而使问题更糟。

Their attempt to fix the problem backfired and made it worse.

他决定不参加会议的决定事与愿违，错过了重要信息。

His decision to skip the meeting backfired when he missed important information.

他想给她一个惊喜的计划事与愿违，因为她提前知道了。

His plan to surprise her backfired when she found out ahead of time.

但是这也可能事与愿违。

But it has also backfired .

但是，有的时候事与愿违。

But, some times are contrary to what expects.

一心卖弄聪明,往往事与愿违.

The wish to appear clever often prevents one from being so.

尽管事与愿违…但要学着放弃…

Despite the contrary…but to learn to give up…

但是事与愿违LTTE攻击他们。

But this backfired when the LTTE turned on them.