单词	knuckles down
释义	knuckle down verb knuckled down; knuckling down; knuckles down intransitive verb : to apply oneself earnestly Word History First Known Use circa 1864, in the meaning defined above knuckles down verb present tense third-person singular of knuckle down as in pitches in Synonyms & Similar Words Relevance pitches in bangs away buckles (down) slaves applies (oneself) hammers (away) pegs (away) moils labors beavers (away) struggles toils grubs plows travails digs in tugs drudges endeavors attacks plugs fags strives humps essays works overexerts digs (away) ekes out hustles sweats plods strains tries slogs drives exercises grinds (out) exerts overworks scratches scrabbles wades puts out trudges Antonyms & Near Antonyms eases (up) goldbricks hangs (around or out) slacks (off) breaks slackens lets up dillydallies hacks (around) goofs (off) footles rests lounges shirks chills bums veges out dallies idles lazes loafs vegges out relaxes potters (around) hangs about fools around fribbles plays reposes unwinds monkeys (around) hangs lolls putters (around) messes around basks goofs (around) doodles trifles dabbles See More
随便看	Chinese fan palm Chinese fiddle chinese fir Chinese fire drill Chinese five-spice powder Chinese fleecevine Chinese forget-me-not Chinese gall Chinese gelatin Chinese ginger Chinese gong Chinese goose Chinese gooseberry Chinese green Chinese hat plant Chinese hibiscus Chinese holly Chinese homer Chinese horn Chinese ink Chinese insect wax Chinese isinglass Chinese jujube Chinese jute chinese kale

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