感动 (gǎndòng) - use 热泪盈眶 when emphasizing the physical manifestation of tears, while 感动 focuses on the emotional impact.

Imagine a pot of hot soup (热, rè) boiling over, spilling out tears (泪, lèi) into your eyes (盈眶, yíng kuàng) when you see a long-lost friend. The 'hot' indicates intense emotion, and the 'tears' represent the overflowing feeling.

Be careful not to confuse this idiom with similar expressions that convey sadness. It is typically used in formal or literary contexts, and common collocations include '感动' (gǎn dòng, to be moved) and '情感' (qíng gǎn, emotion). Remember to use the correct tones to convey the intended meaning.

As an HSK 6 idiom, 热泪盈眶 connects to other advanced vocabulary that expresses emotions. Focus on understanding idiomatic expressions and how they can enhance language fluency by providing cultural depth.

In Chinese culture, expressing emotions openly, especially during significant life events, is common. This idiom captures the essence of how emotional experiences are cherished and shared among friends and family.

Learners often confuse 热泪盈眶 with expressions of sadness, mistakenly using it to describe crying due to sorrow. A correct usage would be '他听到这个感人的故事时，热泪盈眶。' (He was moved to tears upon hearing this touching story).