Please indicate clearly which colour you require.

请标明您要求的颜色。

《牛津词典》

Please indicate whether you consider the above views sound or not.

以上意见妥否，请指示。

《新英汉大辞典》

Please indicate the packing.

请说明包装情况。

youdao

If so, please indicate the number of managers by year.

FORBES: 22 Tough Questions For Rhode Island's Pension 'Reform' Treasurer