'肯定ge眼神'ge英文???

with an assuring look (adverb)

He gave her an assuring gaze. (sounds Chinglish but that is what you want)

(你)給我一個肯定的眼神
Give me an affirmative expression in your eyes.

To: AmyKwan
不知道這句可不可以.
給我一個肯定的眼神
Look at me with (your) postive eyes.
(Please) look at me with postive eyes.

2010-08-21 03:14:21 補充：
不知道如果這句好不好.
Look at me with (your) unswerving eyes.
(Please) look at me with unswerving eyes.
還是這樣: Show me your ....
因為對此題有興趣, 只是給個意見.
Thanks for sharing.

Sure the eyes