rough sledding

常見(jiàn)例句

Many of these proposals could encounter rough sledding.
這些提議中有很多會(huì)碰到不利情況。
Jane had rough sledding in her math course because she was poorly prepared.
簡(jiǎn)的數(shù)學(xué)課學(xué)得很吃力，因?yàn)樗幕A(chǔ)很差。
Investigators have discovered many drugs that cure artificially induced cancers in rodents, but when the substances move into human trials, they usually have rough sledding.
研究人員已經(jīng)發(fā)現(xiàn)到，許多藥物可以治愈齧齒動(dòng)物身上人為誘發(fā)的癌癥，可是一旦把這些藥物拿來(lái)進(jìn)行人體試驗(yàn)，之后的路就變得非常的崎嶇。
The man attached a strong rope to his sled.
那人將一條結(jié)實(shí)的繩子系在他的雪撬上。
This rough track will soon be a metalled road.
這條坑坑洼洼的路不久就要鋪上碎石了。
The ship pitched and tossed in the rough seas.
輪船在洶涌澎湃的大海中起伏顛簸。