英语翻译
difficult; hard
拓展翻译
艰巨的
arduous; formidable
onerous
艰苦
trial
艰苦跋涉
trek
艰苦的
arduous; difficult; hard; hardy; laborious; tough
tough
艰苦的谈判
hard bargain
艰苦劳动津贴
hardship allowance
艰苦卓绝
showing the utmost fortitude
艰难
hardship; rough
艰难的
difficult; hard; burdensome; formidable; rough; stiff
艰深的
abstruse; difficult to understand
艰险
hardships and dangers
艰辛
hardships
艰辛的套利
hard arbitrage