恶作剧...

practical joke的复数形式为：practical jokes...

an impractical suggestion不能实行的建议a fundamentally impractical design根本不切实际的设计Geniuses are supposed to be eccentric and hopelessly impractical.天才通常都被认为行为古怪而且毫无实践能力。The business proposition was rejected as impractical.这个生意上的...

practicals的音标：...

adj.不切实际的，无用的，不现实的，不善做实际工作的...