wǒ juéde zhè jiān jiàoshì bǐ túshūguǎn chǎo duō, zài lǐmiàn xuéxí bú tài shūfu.

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Breakdown of wǒ juéde zhè jiān jiàoshì bǐ túshūguǎn chǎo duō, zài lǐmiàn xuéxí bú tài shūfu.

• 不bù: not
• 这zhè: this
• 学习xuéxí: to study

Questions & Answers about wǒ juéde zhè jiān jiàoshì bǐ túshūguǎn chǎo duō, zài lǐmiàn xuéxí bú tài shūfu.

Why is it 这间教室 and not just 这教室?

In Mandarin, you normally need a classifier between a demonstrative like 这 and a noun.

The pattern is:

这 / 那 + classifier + noun

So:

• 这间教室 = this classroom
• 那间教室 = that classroom

间 is a common classifier for rooms and enclosed spaces.
You may also hear 这个教室. That is also understandable, but 间 is more specific and natural for rooms.

What does 我觉得 add at the beginning?

我觉得 means I think or I feel.

It shows that the speaker is giving a personal judgment, not just stating a hard fact. In English, it softens the sentence a bit:

• 我觉得这间教室很吵。 = I think this classroom is noisy.
• Without 我觉得, the statement sounds more direct.

So here it frames the whole sentence as the speaker’s opinion.

How does 比 work in this sentence?

比 is the basic Mandarin comparison word, similar to than in English.

The usual pattern is:

A 比 B + adjective/state

So here:

这间教室比图书馆吵
= This classroom is noisier than the library.

Notice that Mandarin does not need a separate word like more before the adjective in this structure. The comparison is already shown by 比.