黑暗中，他仅能勉强把路辨清。
衍生　discernible adj. 可辨别的 discernment n. 眼光、洞察力
翻译　I am sure they can discern me（他们能认得出我） in spite of the fog.
同义替换　perceive v. 察觉；感觉 recognize v. 认出
dilemma [d??lem?; da?-] n.（进退两难的）窘境，困境
拆分　di（二）+ lemma（争论）→两种争论→进退两难
例句　Parents often faced the dilemma between doing what they felt was good for the development of the child and what they could stand by way of undisciplined noise and destructiveness.
一方面要做那些自认为对孩子成长有益的事情，另一方面又要对孩子的吵闹和破坏性尽可能地容忍，父母在这两者之间常陷入进退两难的窘境。