Difficult to train
难───hard;训───Training
It's hard to pilot a vessel in rough weather.───在大风浪中为船舶引航是很困难的.
Is it hard to bear with criticism?───忍受批评困难 吗 ?
He's been working hard all day.───他辛劳地工作了一天.
I found it hard to go up the slope.───我觉得上坡吃力.
It's hard to understand the colloquial idioms of a foreign language.───外语里的口头习语很难懂.
You can drive a hard bargain in the free market.───在自由市场上你可使劲地讨价还价.
It was a long hard pull for him to get to the top of his position.───他费了九牛二虎之力终于爬上了最高位置.
She pressed the patient a bit too hard when she gave him an injection.───她打针时手重了些.
It's hard sailing when there is no wind.
Poverty and love are hard to hide.
A faithful friend is hard to find.
She attributed her success to hard work.
Hard work never did anyone any harm.