When learning how to express exhaustion in Chinese, it's important not only to know the phrases but also the context where they fit best. For example, 累瘫了 (lèi tān le) literally means "so tired I collapse," often used to emphasize extreme fatigue after a very tiring day. It's casual and commonly used among friends. Another vivid phrase is 累成狗 (lèi chéng gǒu), which translates as "tired like a dog." This idiom adds a playful yet honest tone to express being worn out from work or physical activity. Using colorful metaphors like this will make your Mandarin sound more native and relatable. Lastly, 累死了 (lèi sǐ le) means "tired to death," and it's a straightforward way to communicate being extremely exhausted. It carries a slightly dramatic flair, which is often used in informal chats or social media posts. Personally, I found that mixing these expressions in daily conversations helped me better convey different shades of tiredness. Also, native speakers appreciate when learners use idiomatic expressions appropriately, as it shows cultural understanding beyond textbooks. Keep in mind tone matters a lot in Mandarin, so practice these phrases with proper intonation to ensure clear communication. If possible, watch Chinese social media or TikTok videos where these phrases appear, to get a feel for their natural use. This approach will boost your confidence and make your language skills more authentic.