knock up

(in tennis, badminton, etc) practise hitting the ball before the start of a match （网球、 羽毛球等）赛前练球. knock sb up (a) (Brit infml 口) awaken sb by knocking on his door, etc （敲门、 窗等）叫醒某人: Would you please knock me up at 7 o'clock? 请7点钟敲门把我叫醒行吗? (b) ( sl 讳, 俚 esp US) make (a woman) pregnant 使（女子）怀孕. knock sth up (a) prepare or make sth quickly and without much planning 匆匆准备或做某事物: Even though they weren't expecting us, they managed to knock up a marvellous meal. 他们虽然没想到我们要来, 但还是设法匆匆做好一顿丰盛的饭. (b) (in cricket) score (runs) （板球）得（分）: knock up a quick fifty 击球後速跑得50分.

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