柯林斯詞典strenuous /?str?nj??s/ 1. ADJ A strenuous activity or action involves a lot of energy or effort. 艱苦的; 劇烈的 Avoid strenuous exercise in the evening. 應避免在傍晚進行劇烈的運動。 Strenuous efforts had been made to improve conditions in the jail. 爲改善那家監(jiān)獄裡的條件已做了艱苦的努力。 返回 strenuous劍橋詞典needing or using a lot of physical or mental effort or energy 費力的，費勁的；繁重的；耗費精力的 He rarely does anything more strenuous than changing the channels on the television . 他很少做比換電眡頻道更費神的事。 His doctor advised him not to do any strenuous exercise . 他的毉生建議他不要做任何劇烈運動。 Strenuous efforts were made throughout the war to disguise the scale of civilian casualties . 整個戰(zhàn)爭期間，政府都在煞費苦心地掩蓋平民的傷亡程度。 返回 strenuous