The solutions to puzzles initially thought to be difficult are often known to be surprisingly simple once revealed.

The enigmatic puzzle persistently occupied Arnold's thoughts.

这个神秘的谜题一直萦绕在阿诺德的思绪中。

No wonder the complex puzzle left Josef feeling a bit flummoxed.

难怪这个复杂的谜题让约瑟夫觉得有点糊涂。

I confess that this puzzle has me completely stumped.

我承认这个谜题让我完全困惑了。

Aha! The answer to my puzzle is finally here.

啊哈，我的谜题终于有了答案。

If you tire of being hassled by unreasonable parents, leave home and pay your own way.

如果你厌烦了不通情理的父母的喋喋不休，那就离开家自食其力吧。

The article is badly written.

这篇文章写得不通.

The road has been closed up for repairs.

因为修路,那条道路不通了.

The line seems to be blocked—I can't get through to this number.

这条线路好像被屏蔽了——我打不通这个电话。

Later information showed that the sub did sink.

后来的情报显示潜艇确实被击沉.

In the battle we sent four enemy ships to the bottom.

在那次战斗中,我们击沉了四艘敌舰.

We finally succeeded in sinking one of the enemy ships.

我们最后击沉了一艘敌舰.

It was previously believed a plane had sunk the sub.

之前大家相信,潜水艇是被一架飞机击沉的.

In a savage attack lasting an hour she destroyed seven out of nineteen ships.

在历时一小时的疯狂袭击中,十九只船被它击沉了七只.

The submarine sank two ships.

潜艇击沉了两艘船.

We sent three enemy ships to the bottom.

我们击沉了三艘敌舰.

Each several ship sank her opponent.

各舰分别击沉了敌舰.

Your aim in a naval battle is to sink the enemy's vessel.

在海战中你的目标是击沉敌方的舰船。

I'll buy a faster film for my camera.

我要买一卷快速胶卷.

He had found a drum of electric cable.

他发现了一卷电缆。

Each volume is in a colour of bright cloth.

每一卷都采用一种色彩亮丽的布料。