Picture a calendar with a big red circle around a past date. '那' (nà) sounds like 'nah,' which you might say when reminiscing about something long gone, while '会儿' (huì er) can be visualized as a 'meeting' (会) that you had at that time (儿). Together, they remind you of a significant past moment.

Be mindful of the context when using 那会儿; it is informal and best suited for casual conversations. Avoid using it in formal writing or speeches. Common collocations include phrases like '那会儿我在...' (Back then, I was...) to set the scene.

For HSK Level 3 learners, focus on understanding time expressions and how they relate to past tense structures. This word connects with other time-related vocabulary and helps in constructing narratives about past experiences.

In Chinese culture, recalling '那会儿' often involves sharing stories about childhood or significant life events, reflecting the value placed on family history and personal relationships.

Learners often confuse 那会儿 with other time expressions like 以前 or 曾经. For example, saying '那会儿我去过' (Back then, I have been) is incorrect; it should be '那会儿我去了' (Back then, I went).