wǒ / tóu / yī / huí / qù / běi / jīng / shí / lián / dì / tiě / lù / xiàn / dōu / kàn / bù / míng / bai我头一回去北京时,连地铁路线都看不明白。When I went to Beijing for the first time, I could not even understand the subway routes.