Understanding 利口 (りこう)
利口 is an adjective used to describe someone or something as clever, smart, or shrewd. It often implies not just intelligence but also practical wisdom or quick understanding. This word is commonly used for children, animals, or people who show sharpness in thinking or behavior.
Usage and Nuance
When you call a child 利口, you mean they learn quickly or behave wisely beyond their age. For animals, especially dogs, 利口 suggests they are well-trained or understand commands easily. In adults, it can imply shrewdness or good judgment, sometimes with a nuance of being tactful or savvy.
Common Collocations
- 利口な子供 (りこうなこども): a clever child
- 利口な犬 (りこうないぬ): a smart dog
- 利口な判断 (りこうなはんだん): a shrewd decision
These collocations highlight the typical contexts where 利口 is used.
Register and Politeness
利口 is neutral and can be used in both casual and polite contexts. It is not overly formal but is appropriate in everyday conversation and writing.
Common Learner Mistake
Learners sometimes confuse 利口 with 賢い (かしこい), which also means smart or wise. While both can mean clever, 利口 often emphasizes quickness and practical cleverness, whereas 賢い leans more toward wisdom and knowledge. Use 利口 when you want to highlight sharpness or clever behavior.