S67. struggle-S68. stubborn

struggle

构词：strug（拉扯挣扎）＋g＋le（重叠, 多倍）

反复挣扎 v. / n. 努力, 奋斗。

相关：string, strict, straight, street, structure, strain, stress

搭配：struggle to do, struggle for breath /independence /survival, 

struggle with each other/ enemy, struggle against cancer/ difficult; 

one’s struggle, a terrible struggle

近义：strive, strain, toil, exert, fight, battle, contend; effort

stubborn

构词：stub（= stump 树桩）＋born（生）

根深蒂固 adj. 顽固的

相关：stick; bump, chump, dump, lump, plump, thump

搭配：stubborn problem/ disease/ cough/ stain/ old man/ character/ resistance/ refusal/ pride/ loyalty; too stubborn to do

近义：fixed, inflexible, persistent