zhège fángjiān de chāzuò tài shǎo, wǒ bùzhīdào gāi bǎ diànnǎo chā zài nǎr.

的 links 房间 and 插座 to show association: the outlets of / in this room.

So:

• 这个房间 = this room
• 这个房间的插座 = this room’s outlets / the outlets in this room

In English, we often say the outlets in this room, but Chinese often uses 的 for this kind of relationship.

A natural alternative is:

• 这个房间里插座太少 = There are too few outlets in this room

Both are fine.

少 means few or not enough in number. That is exactly what the sentence needs.

• 插座太少 = there are too few outlets

小 means small in size, so 插座太小 would mean the outlets are too small, which is a completely different idea.

太 + adjective means too... or excessively...

So:

• 太少 = too few
• 太大 = too big
• 太贵 = too expensive

In this sentence, 插座太少 means there are too few outlets.

No, nothing is missing. 太少 is already grammatical.

• 太少 = too few
• 太少了 = too few, with a bit more emphasis or a stronger sense of reaction

So:

• 这个房间的插座太少
• 这个房间的插座太少了

Both are natural. The version with 了 sounds a little more emotional or emphatic.

For 知道, the normal negative form is 不知道.

• 知道 = to know
• 不知道 = not know / don’t know

没知道 is generally not used in standard Mandarin.

A useful rule of thumb:

• 不 is commonly used to negate mental states, habits, judgments, and general facts
• 没 is commonly used for did not or have not with completed actions

Since knowing here is a state, 不知道 is the natural form.

Here 该 means something like should, ought to, or am supposed to.

So:

• 我不知道该... = I don’t know what/where/how I should...

In this sentence:

• 我不知道该把电脑插在哪儿 = I don’t know where I should plug in the computer

This is a very common pattern in Chinese:

• 我不知道该怎么办 = I don’t know what to do
• 我不知道该说什么 = I don’t know what to say
• 我不知道该去哪儿 = I don’t know where to go

This is the 把-construction, which is often used when:

• the object is specific
• the speaker wants to focus on what happens to that object
• the verb is followed by a result, direction, location, or complement

Pattern:

• 把 + object + verb + complement

Here:

• 把电脑插在哪儿 = plug the computer in where / plug in the computer where

The action affects the specific object 电脑, and the sentence gives the resulting location with 在哪儿, so 把 works very naturally.

Without 把, you would usually need to restructure the sentence, for example:

• 我不知道电脑该插在哪儿

That is also natural.

Here 在 introduces the location connected with the verb 插.

• 插在桌子旁边 = plug it in by the table
• 插在墙边的插座上 = plug it into the outlet by the wall
• 插在哪儿 = plug it in where

So 在 + place tells you the location where the result of the action applies.

Even though English just says plug in, Chinese often makes the location relationship more explicit with 在.

Yes, the whole sentence is a statement, not a direct question.

Chinese question words like 哪儿, 什么, 谁 can appear inside statements when they mean things like:

• where
• what
• who

after verbs such as 知道, 想, 问, 告诉.

So:

• 我不知道哪儿 is not correct by itself for this meaning

but

• 我不知道该把电脑插在哪儿 = I don’t know where to plug in the computer

The key point is that Chinese does not move the question word to the front the way English does. The question word stays where the unknown information would normally go.

Because in Chinese, the question word usually stays in the same position as the answer would.

Compare:

• 把电脑插在桌子旁边 = plug in the computer by the table

If the location is unknown, 桌子旁边 is replaced by 哪儿:

• 把电脑插在哪儿 = plug in the computer where

So 哪儿 stays in the location slot. That is why 在哪儿把电脑插 sounds unnatural here.

Both mean where.

• 哪儿 is more colloquial and common in northern speech
• 哪里 is slightly more neutral or standard-sounding

In this sentence, both are fine:

• 我不知道该把电脑插在哪儿
• 我不知道该把电脑插在哪里

The version with 哪儿 sounds a bit more conversational.

Yes, 插 literally means insert or stick into, but it is also the normal verb used for plug in with electrical devices.

So in context:

• 插电脑 does not mean physically stuffing a computer somewhere
• it means connecting the computer by plugging it into power

Chinese often lets the context make this clear. Since the sentence talks about 插座 and where to plug something in, 插电脑 is naturally understood as plug in the computer.

You may also hear related expressions like:

• 给电脑插上电 = plug in the computer / connect the computer to power
• 把电脑插上 = plug in the computer

In everyday Mandarin, 个 is often neutral-toned in common phrases like:

• 这个
• 那个
• 几个

So 这个 is usually pronounced roughly as zhège, with the second syllable light and unstressed.

This is very normal and natural in speech.

Yes. A very natural alternative is:

• 这个房间的插座太少，我不知道电脑该插在哪儿。

This means almost the same thing.

The difference is mainly in structure:

• 把 version focuses more directly on what you are doing with 电脑
• the non-把 version is a bit simpler structurally

Both are good Mandarin.

They are very close, but not exactly identical in feel.

• 房间的插座 = the room’s outlets
• 房间里的插座 = the outlets in the room

The second one is a little more explicit about location because of 里.

In this sentence, either works:

• 这个房间的插座太少
• 这个房间里的插座太少

The original version is concise and perfectly natural.