I assure you of its quality.

我向你保证它的品质。

You'd have a better chance of catching the train if you took a bus to the station instead of walking.

如果你不是步行而是乘公共汽车的话，那你就比较有可能赶上火车。

Tell me all about your troubles.

把你所有的烦恼都告诉我吧。

He's been out of a job for months.

他已经失业好几个月了。

He has been to America.

他曾去过美国。[表示曾经有过的经验]

Ask-Bob-to sit-behind-me.

让鲍伯坐在我后面。[省略了四个音]

And what did you decide?

那你们有什么结论呢？

He was a dull man and you had to explain things very slowly to him.

他脑筋迟钝，你必须慢慢地给他解释事情。