The hiring manager rejected him, calling him a dilettante who had never finished a project.

招募經理拒絕了他，說他是個從未完成過任何專案的半吊子。

Our new consultant turned out to be a dilettante with no real finance experience.

我們新來的顧問結果只是個半吊子，根本沒有真正的財務經驗。

During the meeting, she dismissed the dilettantes who offered opinions on supply chain logistics.

會議中，她不理會那些對供應鏈物流隨口發表意見的外行人。