| 当 | dāng | to be; to act as; manage; withstand; when; during; ought; should; match equally; equal; same; obstruct; just at (a time or place); on the spot; right; just at | 
| dàng | at or in the very same...; suitable; adequate; fitting; proper; to replace; to regard as; to think; to pawn; (coll.) to fail (a student) | |
| dāng | (onom.) dong; ding dong (bell) | |
| 书 | shū | book; letter; document; CL:本[ben3],冊|册[ce4],部[bu4]; to write | 
| Shū | abbr. for 書經|书经[Shu1 jing1] | |
| 网 | wǎng | net; network | 
| 下载 | xià zǎi | to download; also pr. [xia4 zai4] |