laborious

CET-4 FREQ #47873 ★☆☆☆☆

a. 艰苦的, 费劲的, 勤劳的

发音

其它 /ləˈbɔːɹiəs/
US /ləˈbɔːɹiəs/

词形变化

more laborious 比较级 most laborious 最高级

别名

labourious laborous labourous

释义与例句

adj.
  1. 1.

    Requiring much physical effort; toilsome.

  2. 2.

    Mentally difficult; painstaking.

  3. 3.

    Industrious.

词汇关系

形容词

同义词 9

hard heavy punishing arduous grueling gruelling backbreaking operose toilsome

近义相关 1

effortful

词源

From Old French laborios, from Latin laboriosus. By surface analysis, labor + -ious

来源：wiktionary