棘手的问题jí shǒu de wèn tí
a hard nuttocrack; a hot potato; a Gordian knot; a toughnut; a toughnutto
暴躁的人bào zào de rén
a toughnut, hotspur
啃硬骨头kěn yìng gǔ tóu
crack a hard nut
吃苦耐劳的chī kǔ nài láo de
tough
坚韧的jiān rèn de
tough
强横的qiáng héng de
tough
顽强地wán qiáng dì
tough
止动螺母zhǐ dòng luó mǔ
jam nut; stop nut; block nut
一应俱全yī yīng jù quán
from soup tonuts
犷悍guǎng hàn
tough and intrepid
可乐果kě lè guǒ
kola nut
螺帽luó mào
blind nut; nut
有隙可乘yǒu xì kě chéng
there is a crackto take use of
防松螺帽fáng sōng luó mào
lock nut
翼形螺帽yì xíng luó mào
wing nut
暋mín
tough
破碎的pò suì de
cracked, fragmentized
盖螺母gài luó mǔ
cap nut; box nut
强硬地qiáng yìng dì
tough, toughly, with a strong hand
继续疾驶jì xù jí shǐ
crack on
继续疾走jì xù jí zǒu
crack on
声音嘶哑的shēng yīn sī yǎ de
cracked
蝶型螺母dié xíng luó mǔ
wing nut; butterfly nut
艮gèn
straightforward; tough
禁食槟榔jìn shí bīn láng
Chewing betel nut is prohibited
原声例句
经济学人（汇总）
The movement is a tough nut to crack.
葛兰运动是个棘手的难题。
VOA慢速英语_单词故事
As you know, some English expressions can be tough nuts to crack.
正如你所知道的，一些英语表达是很令人费解的。
家有喜旺第一季
Not a fan. - It's a tough nut to crack.
不喜欢 -选词神马的还真纠结。
朗文OCLM-01单词
Celtic have lost only once this season and will be a tough nut to crack.
【nut】凯尔特人队本赛季只输过一场，不好对付。
PBS访谈健康系列
As part of human nature, people take risks or even people don't even understand what the risks are. And that is a tough nut to crack when you are dealing with it.