Think of 其 (qí) as 'its' or 'that,' and 后 (hòu) as 'behind' or 'after.' Imagine a story where something significant happens, and then you picture a character waiting patiently 'behind' that moment for what comes next, emphasizing the idea of what follows.

Be careful not to confuse 其后 with similar phrases like 之后 (zhī hòu), which also means 'after.' 其后 is more formal and often used in literary or written contexts. Common collocations include phrases like '其后发生' (happened after that).

Although 其后 is not an HSK vocabulary word, students studying at HSK 3 and above should focus on using it in sentences for narrative practice. Linking it with other time-related words like 以前 (yǐ qián) 'before' can enhance understanding of sequences.

In Chinese literature, especially historical texts, 其后 is frequently used to create a sense of continuity in storytelling, reflecting the importance of narrative flow in Chinese culture.

Learners often confuse 其后 with 之后, mistakenly using them interchangeably in informal contexts. For example, saying '我会去商店其后' instead of '我会去商店之后' is incorrect. Remember to use 其后 in more formal settings.