overboardadv.
英 'əʊvəbɔːd | 美 'ovɚbɔrd
中文adv. 自船上落下；向船外\nadj. 极其热心的；全身心投入的
自船上落下；向船外
adj. 极其热心的；全身心投入的
词根词源
overboard (adv.)"over the side of a ship," Old English ofor bord, from over + bord "side of a ship" (see board (n.2)). Figurative sense of "excessively, beyond one\\'s means" (especially in phrase go overboard) first attested 1931 in Damon Runyon.
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