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|---|---|---|---|
| 问--答 | wèn--dá | (ask--answer) | |
| 吞--吐 | tūn--tǔ | (swallow--spit) | |
| 教--学 | jiāo--xué | (teach--learn) | |
| 攻--守 | gōng--shǒu | (attack--defend) | |
| 胜--败 | shèng--bài | (victory--defeated) | |
| 得--失 | dé--shī | (gain--loss) | |
| 加--减 | jiā--jiǎn | (add--subtract) | |
| 哭--笑 | kū--xiào | (cry--laugh) | |
| 赏--罚 | shǎng--fá | (award--punish) | |
| 买--卖 | mǎi--mài | (buy--sell) | |
| 开--关 | kāi--guān | (open--close) |