Explanation of differences:
[chà]: 1。 Error: It is too late. 2. Not quite, inconsistent: ~ not much. 3. Shortage: return ~ 10 yuan. 4. Not good, not up to standard: ~ etc. Results ~. [ch ā]: 1。 Different, different: ~ don't. ~ distance. ~ mm-hmm ~ price. 2. Roughly OK: ~ OK. 3. Error: ~ Wrong. Part ~. ~ swimming pool. 4. Mathematically, it refers to the number in subtraction operation: ~ number. Four minus two equals two. [chā i]: 1。 Send something: ~ send. In ancient times, it was said that people sent: ~ people. Solve ~. 3. things sent to do: ~ things. Male ~. Get out. [cρ]:[ Reference (cā n) ~] See "Reference 3".