| 搜索 | sōu suǒ | to search (a place); to search (a database etc) |
| 留 | liú | to leave (a message etc); to retain; to stay; to remain; to keep; to preserve |
| liú | old variant of 留[liu2] | |
| liú | old variant of 留[liu2] | |
| 痕 | hén | scar; traces |
| 全套 | quán tào | an entire set; full complement |
| 教程 | jiào chéng | lecture course; teaching module at university; tutorial; textbook; course of study |