Meaning and Usage
"徹夜" (てつや) means staying awake all night without sleeping. It is commonly used to describe situations where someone remains up through the night, often for studying, working, or social activities.
Common Contexts
This word is frequently used in academic or work settings, such as "徹夜で勉強する" (stay up all night studying) or "徹夜で仕事をする" (work all night). It can also describe social situations like "徹夜で遊ぶ" (stay up all night playing).
Collocations and Patterns
- 徹夜で + verb (e.g., 勉強する, 仕事をする): indicates doing something all night.
- 徹夜明け (てつやあけ): the time or condition after staying up all night.
Register and Nuance
"徹夜" is neutral in formality and can be used in both casual and formal contexts. It often implies a sacrifice of sleep for an important task or event.
Common Mistakes
Learners sometimes confuse "徹夜" with simply "夜更かし" (よふかし), which means staying up late but not necessarily all night. "徹夜" specifically means no sleep at all during the night.