1.我是认真的.I mean it.2.真便宜.That's a steal.3.我想喝点可乐.I am dying for coke.4.大家都这么说.So they say.5.轻声点/慢慢来/别着急Easy does it.6.一言为定.It's a date.7.我不懂.It's beyong me.8.我很忙.My hands are tied.9.试试你的运气.Try your luck.10.请你吩咐.My time is your time.