| 用 | yòng | to use; to employ; to have to; to eat or drink; expense or outlay; usefulness; hence; therefore |
| 常 | cháng | always; ever; often; frequently; common; general; constant |
| Cháng | surname Chang | |
| 定性 | dìng xìng | to determine the nature (usually of error or crime); to determine chemical composition; qualitative; fixed |
| 搜 | sōu | to search |