英语词汇“knuckle down”的意思、释义、用法及双语翻译-时代网

词汇	knuckle down
释义	phrasal verb I'm going to have to knuckle down to some serious study. 我得开始认认真真地学习了。
随便看	heart failure heartfailure heartfelt heart goes out to hearth hearth and home hear the sound of wedding bells (hear the sound of) wedding bells hearths heartier hearties heartiest heartily heartiness heartinesses heart is in the right place heart isn't in it heartland heartlands heart leaps heartless heartlessly heartlessness heartlessnesses heart lung machine 古者古色古香古艳古董古装古装戏古训古诗古话古语古诺古读古谚古貌古质古赋古趣古远古迹古逸古道古道热肠古都古里古怪古里甲

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