adv立即，毫不遲疑地 (at once，without hesitation)：His answer came～. 他立即回答。
have/know sth off pat 記得或了解得很清楚：He has the story off～.他對(duì)這個(gè)故事熟悉得可一字不漏地講出來(lái)。
stand pat (尤AmE) 堅(jiān)持自己的決定、意見(jiàn)等：He stood～on his political stand.他堅(jiān)持自己的政治立場(chǎng)。
adj (1)恰好(當(dāng))的;適(時(shí))的 (exactly to the point or purpose)： a～reply/answer 妥貼的回答;There are no～solutions to all the world's problems. 沒(méi)有解決世界上所有問(wèn)題的辦法?！纪絧erfect，ideal，appropriate; 〖反〗imperfect;
(2)過(guò)快的;伶牙俐齒的;油嘴滑舌的 (too quick)(derog)：The ending of the story was too～.故事的結(jié)局太突然了。 a～answer for everything一個(gè)現(xiàn)成的萬(wàn)金油答案;The statesman had～answers to all my objections. 那位政治家對(duì)我提出的所有異議都脫口而出，一一作答?！纪絩eady，smooth