The client complained that our presentation slides looked amateurish and poorly organized.

客戶抱怨我們的簡報投影片看起來很業餘，而且組織雜亂。

Several applicants submitted amateurish résumés full of spelling mistakes and missing dates.

好幾位應徵者交了很不專業的履歷，錯字連篇又缺少日期。

The hotel's website seemed so amateurish that many travelers doubted it was real.

那家飯店的網站看起來太業餘了，許多旅客都懷疑它是不是真的。