arduous
US
UK arduous adj: (tiring, challenging) (让人筋疲力尽的)
SC 艰苦的，艰难的 jiān kǔ de ，jiān nán de
TC 艱苦的，艱難的
TC 艱苦的，艱難的
Our journey up the steep mountain path under the beating sun was arduous.
- maroon
- marque
- marquee
- marquess
- marquetry
- marquis
- marquise
- marquisette
- marrakech
- marriage
- marriageable
- marriage ceremony
- marriage certificate
- marriage contract
- marriage guidance
- marriage licence
- marriage license
- marriage of convenience
- marriage proposal
- married
- married couple
- married name
- marrier
- marrow
- marrowbone