This kind of humour is infantile and boring.

这种幽默既幼稚又无聊。

《柯林斯英汉双解大词典》

Honestly, you know, I thought it was kind of slow and boring.

说实话，你知道，我觉得这有点缓慢而且无聊。

youdao

Only in this way can you make progress in English, though it is sometimes tiring and boring.

虽然这个办法有时候很无聊、很累人，但是只有用这种办法你才能在英语上取得进步。

youdao

And the guys, they are sometimes pretty boring because they like to give chocolate and flowers.

VOA: special.2010.02.08

Now these are going to be sort of dreary, boring, typical Martin lectures; dreary and boring historical surveys.

会比较沉闷，无聊，典型的Martin课程;,沉闷无聊的历史回顾。

耶鲁公开课 - 新约课程节选

I don't know if you've been to Bath. But it's very nice, but a bit boring and small.

我不知道你去过巴斯没有。那里非常漂亮，只是有一点无聊，而且那里很小。

刚来伦敦的时候 - SpeakingMax英语口语达人

The UK would be just like other average and boring northern European economies in its inequality.

FORBES: The Economic Legacy Of Margaret Thatcher

This is the land of empty high rises, slow drivers, humidity and boring baseball teams.

FORBES: Home Sales Down? Not For This Realtor

As banks and boring CDs were left behind, brokerages and registered investment advisers proliferated.

FORBES: On Your Own: Investing in An Era of Irrelevant Regulation (October 2009)