He ' s already shelled out too much

他已经付得太多了。

Sir Martin offered assurance to the gaggle of parents that the 17,000-a-year tuition they had shelled out for at the newly opened school was money well spent.

马丁先生向聚集在一起的父母们保证，他们向这所新学校所支付的1年17000英镑的学费是值得的。