standard, criterion, measure, gauge

名詞 standard:

1. a basis for comparison; a reference point against which other things can be evaluated
   同義詞：criterion, measure, touchstone
2. the ideal in terms of which something can be judged
   同義詞：criterion
3. a board measure = 1980 board feet
4. the value behind the money in a monetary system
   同義詞：monetary standard
5. an upright pole or beam (especially one used as a support)
6. any distinctive flag

形容詞 standard:

1. conforming to or constituting a standard of measurement or value; or of the usual or regularized or accepted kind
2. commonly used or supplied
3. established or widely recognized as a model of authority or excellence
4. conforming to the established language usage of educated native speakers (British)
   同義詞：received
5. regularly and widely used or sold
   同義詞：stock

1. There is no absolute standard for beauty.
   美是沒有絕對的標準的。
2. His work does not reach the standard required.
   他的工作成績達不到要求。
3. Searching handluggage at airports is now standard procedure.
   在機場檢查手提行李現(xiàn)在已成例行程序。
4. This is one of the standard books on the subject.
   這是有關(guān)這個問題的權(quán)威著作之一。
5. The teacher sets high standard for his pupils.
   這位老師給他的學(xué)生們定下高標準。