W7. worthwhile

worthwhile

构词：worth（值得）＋while（一段时间）

“值得花时间adj. 值得（花时间、精力、金钱去）做的

相关：worthy, worthless; worship, wealth, wallet; value

辨析：worth (价值)—worthy (值得尊重)—worthwhile (值得做) 

$1000 worth of goods, goods is worth $1000, be worth it / doing; 

worthy work / cause / life; worthy winner; be worthy to do / of n.

搭配：worthwhile book/ member/ endeavor/ discuss / cause / trip, 

            make it worthwhile, it is worthwhile to do / doing

           *不作前置定语时, 也可以分开写worth while

近义：valuable, profitable, beneficial, productive, 

            gainful, useful, helpful, meaningful

考点：积极正面, 同义替换