You can ask for a chemical analysis of your tap water.

　　你可以要求給你的自來(lái)水做化學(xué)分析。

　　Is it too much to ask for a little quiet?

　　請(qǐng)略微安靜一點(diǎn)兒，這個(gè)要求過(guò)分嗎？

　　You're quite within your rights to ask for your money back.

　　你完全有權(quán)要回你的錢(qián)。

　　I'm going to ask for a rise.

　　我打算要求加薪。

　　Don't be too proud to ask for help.

　　不要放不下自尊而不求人幫忙。