Suddenly felling good boring.

忽然感觉好无聊。

youdao

Just from the junior high school life is transformed into high school life, time is not very habit. Always feel good boring day, unable to find direction in life.

刚刚从初中的生活转变成高中的生活，一时间还不是很习惯。总觉患上每天过患上好单调，找不到生活的方向。

youdao

She was good at physics despite the fact that she found it boring.

尽管她认为物理枯燥无味，她却学得很好。

《牛津词典》

There's not that many good clubs in San Francisco. It's kind of boring clubs in San Francisco.

旧金山的酒吧并不是很好，因为有点沉闷。

旧金山的夜生活 - SpeakingMax英语口语达人

This very clearly implies that what we consider good weather is boring.

FORBES: When the Levee Doesn't Break -- What's Wrong With the Media's Weather Coverage

The thought of her buttery lemon-ginger scones makes us forget we ever dismissed that baked good as dry and boring.

WSJ: Bits and Bites: News You Can Eat

Boring can be a good thing when tax payer money is at stake.

FORBES: Jamie Dimon's Folly: Shareholders Over Customers