我6岁的时候上小学。 wǒ liù suì de shí hòu shàng xiǎo xué 。 I went to elementary school when I was 6 years old. 我12岁的时候上初中。 wǒ shí èr suì de shí hòu shàng chū zhōng 。 I went to middle school when I was 12 years old. 我15岁的时候上高中。 wǒ shí wǔ suì de shí hòu shàng gāo zhōng 。 I went to high school when I was 15. 我18岁的时候上大学。 wǒ shí bā suì de shí hòu shàng dà xué 。 I went to college when I was 18. 我22岁的时候大学毕业，开始工作。 wǒ èr shí èr suì de shí hòu dà xué bì yè ， kāi shǐ gōng zuò 。 When I was 22, I graduated from college and started working. 我的第一份工作是会计师。 wǒ de dì yī fèn gōng zuò shì kuài jì shī 。 My first job was an accountant. 我也做过贸易的工作。 wǒ yě zuò guò mào yì de gōng zuò 。 I also did trading work. 现在我是一名老师。 xiàn zài wǒ shì yì míng lǎo shī 。 Now I am a teacher.