laugh tough cough enough paragraph rough中的gh都发/f/音,那Ugh中的gh发/f/音吗?though中的gh发音吗？

laugh tough cough enough paragraph rough中的gh都发/f/音,那Ugh中的gh发/f/音吗?though中的gh发音吗？ cough tough tough tough tough tough tough tough tough 有哪些发音gh的单词?如：laugh,enough,cough 这样的单词还有哪些? cough,laugh,enough,though中的gh其中一个与其他三个读音不同的是 laugh “Though life is rough and the road is tough,you can still laugh and carry on your love.求翻译! cough and cough. He cough and cough. en en