难度的英语是difficulty

USB主机软件系统程序采用高级编程语言进行模块化设计，从而降低了设计难度，方便了用户升级和维护。ModularprogrammingdesignofUSBhostsoftwarereducesthedegreeofdifficultyofthesoftwaredesign,andconveniencesusersoftwareupgradeandmaintenance.

巴克莱（Barclays）指出，这个计划同时还有很高的难度，因为它涉及多个不同的运转部门，包括52家经销商Theplanalsocarriesahighdegreeofdifficultygivenitinvolvesanumberofdifferentmovingparts,including52distributors,notesBarclays.

这家人在狭小的公寓里艰难度日。Thefamilyenduredamiserableexistenceinacrampedapartment. 要在明天完成有点难度。Gettingitfinishedbytomorrowwilltakesomedoing. 这个队要打败世界冠军当然难度很大。

Beatingtheworldchampionsiscertainlyabigaskfortheteam. 滑冰运动员技巧难度大者获得额外加分。Skatersscoreextrapointsfortechnicalcomplexity. 她的嗓音擅长演绎有难度的歌曲。Hersisthekindofvoicethatexcelsatvocalgymnastics