wǒ de quēdiǎn shì róngyì jǐnzhāng.

的 links a possessor to a noun, similar to 's or of in English.

So:

• 我 = I / me
• 我的 = my
• 缺点 = shortcoming, weakness, fault

So 我的缺点 means my shortcoming or one of my weaknesses.

In Mandarin, 的 is very commonly used to show possession:

• 我的书 = my book
• 他的老师 = his teacher

是 works like the verb to be in this sentence.

The structure is:

• 我的缺点 = my weakness / my shortcoming
• 是 = is
• 容易紧张 = getting nervous easily / being easily nervous

So the whole sentence is structured like:

A 是 B
= A is B

Here, the speaker is identifying what their weakness is.

Compare:

• 我的爱好是看书。 = My hobby is reading.
• 我的问题是太忙。 = My problem is being too busy.

紧张 means nervous, tense, or stressed.
容易 means easily or prone to.

So:

• 紧张 = nervous
• 容易紧张 = easily gets nervous / tends to get nervous

Adding 容易 makes the meaning more specific. It shows that the person is not nervous all the time, but that they become nervous easily.

容易 is often used before a verb or adjective-like state to mean easy to... or likely/prone to... depending on context.

In this sentence, it means prone to or liable to:

• 容易紧张 = prone to getting nervous

Some similar examples:

• 容易生气 = easily gets angry
• 容易感冒 = easily catches colds
• 容易忘记 = easily forgets

So 容易 + verb/state is a very common pattern.

Not always. 紧张 can have a few related meanings depending on context:

• nervous
• tense
• stressed
• sometimes tight or strained

In 容易紧张, it most naturally means to get nervous easily.

Examples:

• 我一考试就紧张。 = I get nervous as soon as I take an exam.
• 最近工作很紧张。 = Work has been very intense/tense lately.
• 时间很紧张。 = Time is tight.

So the exact English word depends on the situation.

Yes. 我容易紧张 is completely natural.

The difference is:

• 我容易紧张。 = I get nervous easily.
• 我的缺点是容易紧张。 = My weakness is that I get nervous easily.

The version with 我的缺点是... sounds more formal or reflective, because the speaker is specifically talking about a personal flaw or weakness.

So if someone asks:

• 你的缺点是什么？ = What is your weakness?

Then 我的缺点是容易紧张。 is a very fitting answer.

Yes. 缺点 covers ideas like:

• shortcoming
• flaw
• fault
• weak point

It is often used when talking about a person's personality, habits, or behavior.

Examples:

• 每个人都有缺点。 = Everyone has flaws.
• 他的缺点是太粗心。 = His weakness/fault is being too careless.

A related word is 弱点, which often means weak point or vulnerability.
For personality or self-description, 缺点 is often the more common choice.

Because the subject is understood from the first part of the sentence.

In English, we often say:

• My weakness is that I get nervous easily.

Mandarin often does not need an extra 我 after 是 when the meaning is already clear.

So:

• 我的缺点是容易紧张。

is natural and efficient.

If you added another subject, it would usually sound less smooth or require a different structure.

It sounds like the speaker is giving one weakness.

Even though 缺点 can refer generally to shortcomings, in this sentence the structure 我的缺点是... naturally introduces a specific one:

• My weakness is...

If the speaker wanted to mention several, they might say:

• 我的缺点是容易紧张，也不太自信。
  = My weaknesses are that I get nervous easily and I'm not very confident.

Chinese nouns often do not have singular/plural markings like English, so the exact number comes from context.

Yes, you can say:

• 我的缺点是很容易紧张。

This means My weakness is that I get nervous very easily.

Adding 很 makes the tendency stronger. Without 很, the sentence is already natural and complete.

So:

• 容易紧张 = easily gets nervous
• 很容易紧张 = gets nervous very easily

The sentence follows a very common Mandarin pattern:

topic / subject + 是 + description

Breakdown:

• 我 的 缺点 = my shortcoming
• 是 = is
• 容易紧张 = easily gets nervous

So literally, it is something like:

My shortcoming is easy-to-become-nervous

More natural English would be:

• My weakness is that I get nervous easily.

This kind of structure is common in self-introductions, job interviews, and speaking practice:

• 我的优点是很认真。 = My strength is that I am very diligent.
• 我的兴趣是听音乐。 = My interest is listening to music.