难度的英文：
trouble
problem
- Such fluctuation complicates and delay loading and discharging and increases the cost of the quay construction.
水位的变化加大了装卸的难度，降低了装卸的速度，增加了建港的成本。 - The easiest elections to audit are the least technically sophisticated: voting with paper ballots
最容易监控的投票方式是技术难度 - Hers is the kind of voice that excels at vocal gymnastics.
她的嗓音擅长演绎有难度的歌曲。 - I fear that I underrated the difficulty of the task.
我恐怕低估了这任务的难度。 - It's a stiffer challenge, but with double stake If you win.
游戏有它的难度，但是赢了的话就有两倍的奖金。 - This difficult operation will exact all the doctor's skill.
这个难度大的手术要求医生全部技能。 - Guys can intercept anyone they want without any difficulty.
任何人都可以毫无难度地窃听任何人的信息。 - But in springboard competitions, the degree of difficulty becomes higher.
而在跳板比赛时，难度系数就变得比较高了。 - Having a tidy desk can seem impossible if you have a busy, demanding job.
如果工作忙、难度大，要想保持桌面整洁似乎不太可能。
n. 烦恼；忧虑；困难；麻烦；打扰；纷争，动乱，骚乱；疾病；不适；故障
v. （使）烦恼；费心；麻烦；（病痛）折磨
- Never trouble trouble till trouble trouble you.
麻烦不找你,就别自找麻烦。 - you are a trouble maker!
你真是个捣蛋鬼！ - This is the trouble with a boyfriend.
这就是有男朋友的麻烦。 - She is in trouble.
她怀孕了。 - Never (or Don't) trouble trouble till trouble troulbes you
切莫自寻麻烦
n. 难题，困难；逻辑题
- It was a complex problem.
这是一个复杂的问题。 - Is the problem that easy?
问题有那么简单吗? - This is a prime problem.
这是一个有关质数的问题。 - These are the resolved problems.
这些是已经解决的问题。 - The housing problem is bound up with the problem of gale controls.
住屋问题涉及租金控制问题。