1.多蓟的,蓟繁茂的;像蓟的;有刺的,会刺的
1.full or consisting of thistles
2.difficult to deal with
1.Yet defining what it means to be courageous has often proved as thistly as distinguishing the wise ones from the fools.
但是,要界定什么是勇敢,往往被证明跟在愚者中区分出智者一样的棘手。