We continued to struggle up the steep slope of the mountain.

我们为了攀登山的陡坡，不断地倍尝辛劳。

I haven't seen you for a long time.

好久没有见到你了。

Joe felt the lecture wasn't very interesting.

乔感觉演讲一点也不精彩。

Let me introduce myself.

让我做个自我介绍吧。

John could not decide when to leave.

约翰无法决定几时要出发。

The trees emit a fragrance of their own.

各种树木会发散各自独有的气味。