単複
た
ん
ぷ
く
Meanings
1
singular and plural; simplicity and complexity; singles and doubles
A compound noun that pairs opposite concepts: singular vs. plural (grammar), simple vs. complex, or singles vs. doubles (sports). The specific meaning depends on context.
In English, you need to pay attention to whether a noun is singular or plural.
It's difficult to determine whether this problem is simple or complex.
The tennis tournament is held in both singles and doubles.