| 不解 | bu4 jie3 | indissoluble |
| 为难 | wei2 nan2 | puzzlement |
| 迷惑 | mi2 huo5 | to puzzle |
| 疑惑 | yi2 huo4 | to doubt |
| 苦思 | ku3 si1 | puzzle |
| 纳闷 | na4 men4 | puzzled |
| 惑 | huo4 | to confuse |
| 费解 | fei4 jie3 | to be puzzled |
| 拼图 | pin1 tu2 | abbr. of 拼布圖形拼布图形, jigsaw puzzle |
| 字谜 | zi4 mi2 zi4 mei4 | letter puzzle |
| 七巧板 | qi1 qiao3 ban3 | tangram (traditional Chinese block puzzle) |
| 迷瞪 | mi2 deng4 | puzzled |
| 百思不解 | bai3 si1 bu4 jie3 | remain perplexed despite much thought |