| 释义 |
laborious/ləˈbɔːriəs//ləˈbɔːriəs/ ★★adj. 词族- laboriouslyadv.费力地
- laboriousnessn.费力;造作
同义词- difficultadj.困难的
- hardadj.辛苦的
- strenuousadj.费力的
- arduous
- backbreaking
- burdensome
- demanding
- effortful
- exacting
- exigent
- formidable
- heavy
- onerous
- oppressive
- rigorous
- rough
- serious
- severe
- tall
- taxing
- tough
- trying
- uphill
- weighty
- grueling
- gruelling
- operose
- punishing
- toilsome
反义词- easyadj.容易的
- effortlessadj.不费力的
- simpleadj.简单的
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