上网很有趣，但也是一件浪费时间的事。

Surfing the Internet is fun, but it's also a time waster.

《柯林斯英汉双解大词典》

我认为，上网聊天纯属浪费时间。

In my opinion, it is a waste of time to chat on line.

youdao

然而我要说上网聊天是在浪费时间。

However, I should say that chatting online is a waste of time.

youdao

我认为上网聊天是在浪费时间、精力和金钱。

I think chatting on line is a waste of time, energy and money.

youdao

我认为上网聊天是在浪费时间、精力和金钱。

I think chatting on line is a waste of time, energy and money.

youdao