Please indicate clearly which colour you require.

请标明您要求的颜色。

《牛津词典》

I can't hear clearly. Please turn down the radio a little.

我听不清楚。请把收音机关小声一点。

youdao

Read slowly and clearly, please.

请读慢一点，清楚一点。

youdao

Please commit to communicating clearly in 2013.

FORBES: Marketers, Please Avoid These Words In 2013

Most of the attendees were young enough to be her grandchildren, and she clearly enjoyed startling them with candid talk about what she likes in literature (please don't bore her with stories about dating) and about how to use sex in fiction.

WSJ: Toni Morrison talks to Google about creativity

Peter Riddell, late of The Times, now of the Institute for Government, suggested politicians should simplify their language and explain things clearly. (Politicians who routinely refer to "Silk" or "Barnett" without explanation please take note).

BBC: Why doesn't Welsh politics sell newspapers?