1.Don't get high hat.别摆架子。2.That rings a bell.听起来耳熟。3.Play hooky.旷课、矿工。4.Sleeping on both ears.睡得香。5.It's up in the air.尚未确定。6.Lose head.丧失理智。7.He is the pain on neck.他真让人讨厌。8.My hands are full right now.我现在很忙。