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一つ， １つ， 一， ひとつ
1. one
2. for one thing
3. only
4. (not) even
5. just (e.g. "just try it")
6. some kind of, one type of
1个
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いただく， 頂く， 戴く
1. to receive, to get, to accept, to take, to buy
2. to eat, to drink
3. to be crowned with, to wear (on one's head), to have (on top)
4. to have (as one's leader), to live under (a ruler), to install (a president)
5. to get someone to do something
接收、得到、接受、取得、购买；吃，喝；加冕，戴；让某人作某事；作为（某人的）领袖，生活在（某统治者）的统治之下，任命（某总统）
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のです， んです
1. the expectation is that ..., the reason is that ..., the fact is that ..., the explanation is that ..., it is that ...
tbd
