| 代 | dài | to substitute; to act on behalf of others; to replace; generation; dynasty; age; period; (historical) era; (geological) eon |
| 充 | chōng | to fill; to satisfy; to fulfill; to act in place of; substitute; sufficient; full |
| 期 | qī | variant of 期[qi1]; period; cycle |
| qī | a period of time; phase; stage; classifier for issues of a periodical, courses of study; time; term; period; to hope; Taiwan pr. [qi2] | |
| 合作 | hé zuò | to cooperate; to collaborate; to work together; cooperation; CL:個|个[ge4] |
| 搜 | sōu | to search |