yī qǐ
坐在一起。
Zuò zài yīqǐ.
Sit together.
张大叔明天进城，你一起去吧。
Zhāng dàshū míngtiān jìn chéng, nǐ yīqǐ qù ba.
Uncle Zhang is going to the city tomorrow, you should go with him.
这几件东西一起多少钱？
Zhè jǐ jiàn dōngxi yīqǐ duōshao qián?
How much are these few items altogether?