wǒ xiǎng jiěguà.

The pattern is Subject + 想 + Verb phrase.

• 我 = I
• 想 = want to / would like to
• 解挂 = the action

So the sentence structure is very straightforward: I want to do X. Chinese does not need an extra word like English to before the main verb.

Here, 想 means want to.

That is because 想 is followed directly by another action, 解挂. In that pattern, 想 + verb usually means want to do something.

Compare:

• 我想解挂。 = I want to ...
• 我想他不会来。 = I think he won’t come.

So 想 can mean both think and want, but the grammar around it tells you which meaning is intended.

Chinese usually does not use a separate infinitive marker like English to.

So:

• 想 + verb = want to do something

That means 我想解挂 is already complete. You do not need anything between 想 and 解挂.

Chinese often leaves tense and time unstated unless they are important.

我想解挂 simply tells you about the speaker’s desire or intention. The exact time depends on context.

If you want to make the time clearer, you can add a time word:

• 我现在想解挂。 = I want to ... now.
• 我以后想解挂。 = I want to ... later / in the future.

So the original sentence is natural even without any tense marking.

In this sentence, it is best to treat 解挂 as a single expression or chunk.

Also, Chinese is normally written without spaces, so the standard written form would be:

我想解挂。

The spaces in learning materials are just there to help you see the parts more easily.

Because 解 is a character with more than one pronunciation.

A few common readings are:

• jiě — often related to meanings like untie, solve, remove, explain
• xiè — used in some names and specific words
• sometimes other less common readings

In 解挂, the correct reading is jiě. With characters like this, it is best to memorize the pronunciation together with the whole word.

These two sounds are often tricky for English speakers.

• x in xiǎng is not the English letter-name x. It is a soft sound made near the front of the mouth, somewhat like sh, but lighter and more fronted.
• j in jiě is also made near the front of the mouth. It is lighter and tighter than a typical English j.

Helpful rough approximations:

• xiǎng ≈ something like shyang
• jiě ≈ something like jyeh

Those are only approximations, but they are a decent starting point. Listening to native audio is the best way to refine them.

The dictionary tones are:

• 我 wǒ = 3rd tone
• 想 xiǎng = 3rd tone
• 解 jiě = 3rd tone
• 挂 guà = 4th tone

So on paper it is 3-3-3-4.

In natural speech, consecutive 3rd tones usually change. A natural pronunciation often sounds close to:

wó xiáng jiěguà

So you do not need to pronounce three full dipping 3rd tones in a row. That would sound overly careful and unnatural.

Yes, but the nuance changes.

• 我想解挂 = softer, more neutral, I want to... / I’d like to...
• 我要解挂 = stronger, more definite, sometimes I am going to... / I really want to...
• 我想要解挂 = possible, but often a bit more emphatic than just 想

For a simple, neutral statement of desire, 想 is usually the safest choice.

It is better to learn 解挂 as a whole chunk.

The individual characters can suggest a literal idea:

• 解 often has meanings like untie, solve, remove
• 挂 often has meanings related to hang

But in real Chinese, fixed expressions often have meanings or uses that go beyond the literal parts. So for a learner, the safest approach is:

1. learn the whole expression 解挂
2. learn its pronunciation as a unit
3. use it in the specific context where native speakers use it

The grammar of 我想解挂 is simple and natural; the main thing is making sure 解挂 is the right expression for the situation you mean.