unstuck /.An'stAk; An'stAk/ adj not stuck or fastened: 未點(diǎn)牢的; 未系住的; 未貼緊的： The flap of the envelope has come ~. 這信封的封口松開了。 come (badly) ~, (colloq) be unsuccessful; fail to work according to plan: (俗) 未成功的; 未照計(jì)劃進(jìn)行的; 不靈光的 has come ~. 我們的計(jì)劃未成斑。