| 释义 |       past tense of knuckle down (to)         as in buckled (down to)       buckled (down to)     pitched in     concentrated (on)     focussed (on)     focused (on)     zeroed (in on)     fell (to)     settled (down)     approached     addressed     faced     dove (into)     tackled     waded (in or into)     undertook     dived (into)     plunged (in)     attacked     pursued     took up       See More   avoided     shunned     evaded     fiddled (around)     played     messed     lagged     fooled     monkeyed (around)     poked     pottered (around)     trifled     idled     puttered (around)     dillydallied     dawdled     dallied   |