Sentence Composition
| =1 | 還 | Huán | surname Huan |
| =1 | 還 | hái |
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| =1 | 還 | huán |
|
| =1 | 還 | xuán |
| 2 | 住 | zhù |
|
| 3 | 在 | zài |
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| 4 | 波士頓 | Bōshìdùn | Boston, capital of Massachusetts |
| =5 | 嗎 | má | (coll.) what? |
| =5 | 嗎 | mǎ | used in 吗啡 mǎfēi |
| =5 | 嗎 | ma | (question particle for "yes-no" questions) |