Meaning and Usage
The word '장기간' means 'for a long period' or 'long-term'. It is commonly used to describe durations that extend over a significant amount of time, often in contexts like effort, storage, research, or contracts.
Common Collocations
- 장기간 노력 (long-term effort): used when emphasizing sustained effort over time.
- 장기간 보관 (long-term storage): refers to items or food that can be kept for a long time.
- 장기간 연구 (long-term research): indicates research that requires extended time.
Register and Nuance
'장기간' is a formal noun often used in written and spoken Korean, especially in academic, business, or official contexts. It is neutral in politeness but tends to appear in more formal or serious discussions.
Common Mistakes
Learners sometimes confuse '장기간' with '오래' (long time) which is more casual and adverbial. Remember, '장기간' is a noun and often used with particles like '의' or in compound nouns.
Summary
Use '장기간' when you want to emphasize a long duration in a formal or neutral context, especially in professional or academic settings. Pair it with nouns like 노력 (effort), 보관 (storage), or 연구 (research) for natural expressions.