Arduous



adjective
1.
(laborious, hard to accomplish, difficult, hard to do, strenuous, toilsome, fatiguing) ដែលពិបាកក្រៃលែង
Example: The work is arduous and the house are long.
ENGLISH MEANING
adjective
1.
Steep and lofty, in a literal sense; hard to climb.
2.
Attended with great labor, like the ascending of acclivities; difficult; laborious; as, an arduous employment, task, or enterprise.
1.
complicated, Demanding, hard, intricate, involves, laborious, obscure, perplexing, toilsome, trying burdensome, difficult, onerous, tough
2.
cruel, harsh, rigorous, severe
1.
easy, effortless