They must keep their eyes and ears open, because I was a bit naive.

他们必须睁大眼睛，敞开耳朵，因为我曾经就太幼稚。

youdao

In an interview, don't grill them about it, but keep your eyes and ears open and trust your gut.

面试时，不要对这种问题刨根问底，但一定要仔细观察，并且相信自己的直觉。

youdao

Take all offers seriously. Mercury is retrograde so one offer may clearly be wrong for you, but keep your ears open anyway - something better is due either immediately or over the summer.

5月24日（新月）及其后的两周内，认真对待你的每一份offer，水星逆行中，所以其中可能有一份将是鱼眼睛一颗，但是要打开视听，美差即将送上门来，晚也晚不过这个夏天了。

youdao

According to Miller's deposition, Keyes, who is married, inquired about her love life and also asked her to keep her ears open for rumors of improprieties--excessive gift-giving and kickbacks by vendors--at 7-Eleven.

FORBES: 7-Eleven's Inconvenience

Keep your eyes and ears open and never be afraid to share your idea with others to get feedback.

FORBES: Ideas are a Dime a Dozen. People Who Implement Them are Priceless

Just keep your eyes and ears open at all times for new opportunities.

FORBES: The Best Time To Start A New Job Search