late 14c., from Old French onereus, honereus (14c., Modern French onéreux) and directly from Latin onerosus, from onus (genitive oneris) "burden" (see onus).
雙語例句
1. My household duties were not particularly onerous.
我的家務活并不繁重.
來自《簡明英漢詞典》
2. This obligation sometimes proves onerous.
這一義務有時被證明是艱巨的.
來自英漢非文學 - 行政法
3. She desired a fixed occupation - no matter how onerous, how irksome.
她希望有個固定的職業,不管這個職業多么繁重, 多么令人厭倦.
來自辭典例句
4. This is the most onerous task I have ever undertaken.
這是我承擔過的最艱巨的任務.
來自辭典例句
5. The job had become reduced quickly to its onerous humiliating routine.