op·er·ose /ˈɑpəˌros/
(a.)費力的,吃力的,勤勉的,用功的
Op·er·ose a. Wrought with labor; requiring labor; hence, tedious; wearisome. “Operose proceeding.” --Burke. “A very operose calculation.” --De Quincey. -- Op*er*ose*ly, adv. -- Op*er*ose*ness, n.
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