keep your ear to the ground中文

"keep your ear to the ground"
= keep informed about something, especially if there are rumours or uncertainties.
保持警覺, 非常關注某件事

"keep it under your hat"
= to keep something a secret, to keep something in one's mind
保持秘密

"spill the beans"
=to give away a secret or a surprise
爆秘密出去

"blend the rules"
=to do something or to allow someone to do something which is not usually allowed
特別允許做些平時不准做的事