take occasion by the forelock 基本例句 抓紧时机 I adviced him to make hay while the sun shone.我劝他抓紧时机。 You will really lose if you do not take this opportunity to fraternize with students and mentors from all over the world.如果不能抓紧时机与来自全球各地的师生友善交往相互切磋，那你将会是不折不扣的大输家。