laborious

形容词 adj.

英文释义

形容词 adj.
  1. Requiring much physical effort; toilsome.
    — Let us face it, our lives are miserable, laborious, and short.
  2. Mentally difficult; painstaking.
  3. Industrious.
    — All, with united Force, combine to drive / The lazy Drones from the laborious Hive.

词形变化

more laborious comparative most laborious superlative labourious alternative,obsolete laborous alternative,obsolete labourous alternative,obsolete

词源

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