KEY: Laborious.SYN: Assiduous, diligent, painstaking, indefatigable, arduous,burdensome, toilsome, wearisome, industrious, hard-working, active,difficult, tedious.ANT: Idle, indiligent, lazy, indolent, easy, facile, light, feasible,simple.
英语同义词词典收录了7932条英语词条，基本涵盖了全部常用同义词或反义词的辨析及翻译，是英语学习的有利工具。