| 深入 | shēn rù | to penetrate deeply; thorough |
| 探究 | tàn jiū | to investigate; to delve; to probe; to enquire into; to look into |
| 免 | wèn | old variant of 絻[wen4] |
| miǎn | to excuse sb; to exempt; to remove or dismiss from office; to avoid; to avert; to escape; to be prohibited | |
| 实名 | shí míng | real-name (registration etc); non-anonymous |
| 账号 | zhàng hào | account; username |