noun🔗Share撞墙，没劲儿 Sudden fatigue as a result of glycogen depletion from not having taken in enough nutrition."After the long hike, the hiker experienced a knock from lack of energy. "长途跋涉后，由于缺乏能量补充，这位徒步者感到一阵“撞墙”，浑身没劲儿。physiologymedicineconditionbodyenergyfoodessentialtoeicChat with AIVocabulary GamePractice Reading
noun🔗Share敲击声，叩击声 An abrupt rapping sound, as from an impact of a hard object against wood."I heard a knock on my door."我听到有人在敲门。soundessentialtoeicChat with AIVocabulary GamePractice Reading
noun🔗Share敲击， 撞击 A sharp impact."He took a knock on the head."他头部受到了一下撞击。actionsoundessentialtoeicChat with AIVocabulary GamePractice Reading
noun🔗Share批评，指责. Criticism."The teacher's knock on John's work was justified; he hadn't completed his homework. "老师对约翰作业的批评是合理的，因为他根本没写完作业。attitudecommunicationessentialtoeicChat with AIVocabulary GamePractice Reading
noun🔗Share爆震, 敲缸 Preignition, a type of abnormal combustion occurring in spark ignition engines caused by self-ignition; also, the characteristic knocking sound associated with it."The engine's knock was a worrying sound, signaling possible preignition problems. "发动机的爆震声令人担忧，预示着可能存在早燃问题。technicalsoundenergyvehiclemachinephysicsindustryfuelessentialtoeicChat with AIVocabulary GamePractice Reading
noun🔗Share击球回合，击球局 A batsman's innings."He played a slow but sure knock of 35."他打了一个慢节奏但稳扎稳打的35分击球局。sportentertainmentessentialtoeicChat with AIVocabulary GamePractice Reading
verb🔗Share敲，叩。 To strike for admittance; to rap upon, as a door."The student knocked on the classroom door before entering. "学生在进教室之前敲了敲门。actionsoundcommunicationessentialtoeicChat with AIVocabulary GamePractice Reading
verb🔗Share批评，指责，贬低。 To criticize verbally; to denigrate; to undervalue."Don’t knock it until you’ve tried it."没试过就别贬低它。attitudecommunicationlanguageessentialtoeicChat with AIVocabulary GamePractice Reading
verb🔗Share传球，踢给。 To kick a ball towards another player; to pass."The soccer player knocked the ball to his teammate. "那个足球运动员把球踢给他的队友。sportessentialtoeicChat with AIVocabulary GamePractice Reading
verb🔗Share折服，使折服，令人叹服 To impress forcibly or strongly; to astonish; to move to admiration or applause."The comedian's jokes really knocked the audience. "那位喜剧演员的笑话真的把观众给折服了。sensationemotionentertainmentessentialtoeicChat with AIVocabulary GamePractice Reading
verb🔗Share敲，撞击 To bump or impact."I accidentally knocked my drink off the bar."我不小心把饮料撞倒在吧台上了。actionsoundessentialtoeicChat with AIVocabulary GamePractice Reading
verb🔗Share敲，叩。 To rap one's knuckles against something, especially wood."Knock on the door and find out if they’re home."敲敲门，看看他们在家不在家。actionsoundcommunicationessentialtoeicChat with AIVocabulary GamePractice Reading
