Here are five simple expressions to say "I don't understand" in Chinese, 
* 我不知道。 (wǒ bú zhī dào.) (I don't know.)
* 我不明白。 (wǒ bú míng bai.) (I don't understand.)
* 我搞不清楚。 (wǒ gǎo bù qīng chǔ.) (I don't understand.)
* 我不会。 (wǒ bú huì.) (I don't know how.)
* 我不懂。 (wǒ bú dǒng.) (I don't understand.)

Here are examples of them used in a sentence:
1. 我不知道 (wǒ bú zhī dào) - I don't know Example: 我不知道你在说什么。 (wǒ bú zhī dào nǐ zài shuō shén me.) (I don't know what you're saying.) 
2. 我不明白 (wǒ bù míng bai) - I don't understand Example: 我不明白这道题怎么做。 (wǒ bù míng bai zhè dào tí zěn me zuò.) (I don't understand how to do this problem.) 
3. 我搞不清楚 (wǒ gǎo bù qīng chǔ) - I don't understandExample: 我搞不清楚这个词的意思。 (wǒ gǎo bù qīng chǔ zhè gè cí de yì si.) (I don't understand the meaning of this word.) 
4. 我不会 (wǒ bú huì) - I don't know how Example: 我不会用这个软件。 (wǒ bú huì yòng zhè gè ruǎn jiàn.) (I don't know how to use this software.) 
5. 我不懂 (wǒ bú dǒng) - I don't understand Example: 我不懂你在讲什么。 (wǒ bú dǒng nǐ zài jiǎng shén me.) (I don't understand what you're talking about.)
 


Five Ways to Say XXX in Chinese

5 ways to say "I don't understand" in Chinese

In this podcast you will find the  places to visit in Cartagena.

 Plaza de los Coches

Murallas

Barrio de Getsemaní

Castillo de San Felipe de Barajas.

Parque Bolívar

Remember that I also teach Spanish on italki, in case you want to book a class with me :)

Colombia

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In this new chapter i'll talking about our cucina italiana, mamma mia! It's really tasty!! What do you think about it?

ITALPOP

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이번 주 토요일에 나와 함께 영화 보러 안 갈래?
这周六想不想跟我一起去看电影?

재밌는 영화라도 있어? 
有什么好看的电影吗? 

글쎄, 나도 영화관 안 간지 오래돼서 바람 쐬러 가면 좋겠어.
不清楚, 不过我也好久没去电影院了, 所以想去兜兜风。

그래. 나는 로맨틱 코미디면 다 좋아.
那行。只要是浪漫喜剧我都喜欢。 

~와 함께 跟~一起
바람을 쐬다 兜风
낭만적이다, 로맨틱하다 浪漫
코미디 喜剧

[YOON] 1분 한국어

이번 주 토요일에 나와 함께 영화 보러 안 갈래? 这周六想不想跟我一起去看电影?

NHK WEB EASY の記事(きじ)「共通(きょうつう)テスト」について、標準語(ひょうじゅんご)でゆっくり読(よ)んでいます。
I red NHK WEB EASY news articles slowly with standard JApanese language.
You can use it for your shadowing and listening lessons.

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【beginner-intermediate】NHK WEB EASY 1.29

In this episode, learn simple Tagalog phrases to start a conversation, greet someone, ask how they’re doing, say thank you, and goodbye. Perfect for beginners looking to start speaking Tagalog with confidence!

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All American Podcast 

California Slang

This week we're going to talk about starting a business. We'll discuss business structures, financing, the process of starting a business, and basic terminology related to establishing a business. It's going to be very interesting! 

New English US

Business English: Starting a business (upper intermediate B2)


These various expressions for affirmation encompass a wide range of tones and levels of formality. In everyday conversation, a simple "yes" or "yeah" suffices, and a touch of informality may be added with "sure" or "absolutely." When assurance is absolute, phrases like "without a doubt, yes" and "most definitely" leave no room for ambiguity. In informal settings, a resounding agreement might be expressed with "you bet" or "hell yeah," and a casual "totally" or "yup" carries a similar sentiment. For matters necessitating decorum, a formal approach may entail phrases like "I wholeheartedly agree" or "indeed," while "I concur" and "affirmative" maintain a level of professionalism. Politeness sweetens the agreement in expressions such as "I'd be happy to" and "that sounds wonderful," demonstrating eagerness to comply. A touch of wit adds a layer of humor to the affirmation, as seen in expressions like "in a New York minute" or "is the Pope Catholic?" In more refined circles, the upper class might communicate their agreement with endearing phrases like "absolutely, my dear" or "most assuredly," maintaining a level of warmth. For royalty, an affirmation is conveyed with grace and respect, as in "by all means, Your Majesty" or "it would be my honor, Your Highness," underscoring the formal nature of the response. Ultimately, the choice of expression hinges on the context and the level of decorum required for the situation at hand.