using or needing great effort
"strenuous exercise"
"his final, straining burst of speed"
"a strenuous task"
"your willingness after these six arduous days to remain here"
Those studies which form strenuous and sagacious men.
出自: Ld Macaulay
以上内容独家创作,受著作权保护,侵权必究
海词词典,十七年品牌