Meaning and Usage
"不足" (ふそく) means "insufficiency" or "shortage." It is commonly used to describe a lack of something necessary or expected, such as money, sleep, or experience.
Common Contexts
You will often see "不足" in contexts related to resources (like funds or materials), physical or mental conditions (like sleep or energy), and qualifications (like experience or skills).
Collocations and Patterns
- 資金不足 (しきんふそく): shortage of funds, often used in business or project contexts.
- 睡眠不足 (すいみんぶそく): lack of sleep, a common health-related phrase.
- 経験不足 (けいけんぶそく): lack of experience, often used in job or skill discussions.
Register and Nuance
"不足" is a neutral, formal noun often used in written and spoken Japanese. It can appear in both casual and formal contexts but tends to be more common in formal or business settings.
Common Mistakes
Learners sometimes confuse "不足" with "足りない" (たりない), which also means "not enough." "不足" is more formal and often used in compound nouns, while "足りない" is more casual and used as an adjective or verb form.