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ひとり， いちにん， 一人， １人， 独り
1. one person
2. being alone, being by oneself
3. being single, being unmarried
4. by oneself, alone
5. just, only, simply
一个人
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がんばって， 頑張って
1. do your best, go for it, hang in there, keep at it
尽力，努力，专注于
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のだ， んだ
1. the expectation is that ..., the reason is that ..., the fact is that ..., the explanation is that ..., it is that ...
……的样子，就那样