Know All the Angles——非常在行

** know every means, opportunity, or stratagem one can employ in order to reach or attain one's goal（了解怎樣使用每一種手段、機會或策略來達到或實現自己的目標。）; know all the possible games, cheats, scams and cons in any given situation （了解在任何特定情況下可能出現的所有秘密勾當、作弊、詐騙和騙局。）; be very clever about something（對某事非常聰明）; be extremely knowledgeable of something （對某事非常了解）; be extremely experienced in something（對某事非常有經驗）

~~ 曉得所有訣竅；非常在行；所有竅門他全知道；精通所有伎倆；對某事非常了解；無所不知，萬事通；見多識廣，通曉一切；知道對付某人或某事的所有招數和手段；通曉一切（辦理業務、打交道、走門路等的）竅門和決竅

~~ know all the answers to something（知道某事的所有答案）; know something from any angle/perspective（從任何角度／視角了解某事）; know something in all of its aspects, dimensions or forms（了解某事物的所有方面、層面或形式。）

!! This metaphor has been popularized in theUSonly during the last fifty years.

這個隱喻是最近五十年才在美國流行起來

>> This English teacher knows all the angles in English pronunciation.

這英語老師曉得英語發音的所有訣竅。

>> Since Macau weather enthusiast Siu Mak has been tracking tropical cyclones for more than 40 consecutive years, he knows all the angles about tropical cyclones as an amateur.

由於澳門氣象愛好者小麥連續四十多年追蹤熱帶氣旋，身為業餘愛好者，他對熱帶氣旋的走勢訣竅非常在行。

學勤進修教育中心英語專科導師

李啓文 教授