独自

我wǒ小时候xiǎoshíhou常常chángcháng独自dúzì玩耍wánshuǎ。

I used to play alone when I was a child.

我wǒ喜欢xǐhuan独自dúzì旅行lǚxíng。

I like to travel alone.

我wǒ不bù相信xiāngxìn孩子háizi能néng独自dúzì到dào东京Dōngjīng。

I don't believe the child came to Tokyo alone.

父亲fùqīn对duì我wǒ说不准shuōbùzhǔn独自dúzì一yī人rén去qù外国wàiguó。

Dad told me not to go abroad alone.