Qǐng / bǎ / zhè / zhāng / zhǐ / fàng / píng / ， / zài / yòng / jiāo / dài / gù / dìng / sì / gè / jiǎo。

请把这张纸放平，再用胶带固定四个角。

Please lay this piece of paper flat and then secure its four corners with tape.