nub

 Longman Dictionary of Contemporary English 5++朗文当代英语 5++LDOCE 5++朗文 5++nub /nʌb/ noun  1  the nub of the problem/matter/argument etc MAINthe main point of a problem etc 问题/事情/争论等的焦点[要点] The real nub of the matter is money. 问题的实质是钱。2. [countable] a small rounded piece of something, especially a piece that is left after the rest has been eaten, used etc 〔尤指吃剩或用剩的〕小块，小片

Examples from the Corpus

nub• The baby clutched a nub of carrot.• Then the Sheikha took her needle and drove it up through the middle of the quarter-inch nub, anchoring the fabric.• I was just waiting for the discussion to get down to the real nub of things.• Interpersonal skills form the nub of the trainers' course.• And that's the nub of it.• Here we come to the nub of it.• The nub thereof is, of course, that you must first get to know your heron.• Speed is of no consequence, but duration is vital, the very nub of the matter.• The cat shifted about on his lap, clawed at the woolen nubs of his trousers.Origin nub (1500-1600) Probably from Low German knubbe

nub nounChinese  

point etc of the main problem a Corpus

nub
nub /nʌb/ noun1. the nub of the problem/matter/argument etc the main point of a problem etc:
    The real nub of the matter is money.
2. [countable] a small rounded piece of something, especially a piece that is left after the rest has been eaten, used etc

nubBrE /nʌb/ 🔊NAmE /nʌb/ 🔊 noun [singular] the ~ (of sth) the central or essential point of a situation, problem, etc. 中心；要点；实质◆The nub of the matter is that business is declining. 问题的核心是营业额在萎缩。🔊🔊