The traditional Chinese character for "cai" is cai cái?.
Cai cái?
Interpretation:
1. ① Ability; talent. [Example] Talented and versatile.
② A talented and intelligent person. [Example] Genius, prodigy.
③ Surname.
2. ① It means that something happened not long ago, which is equivalent to "just now". [Example] He just left.
② Indicates the limitation of scope, which is equivalent to "only" and "only". [Example] He is only two years old.
③ Used before certain adjectives or verbs to express emphasis. [Example] I’m not going.
④ Use "because", "only" and "must" in the former clause, and "cai" in the latter clause to indicate that a certain result will occur. [Example] Only by persevering to the end can you achieve success.
Reference materials
Chinese language knowledge base: http://www.zhonghuayuwen.org/