名詞 taboo:

1. a prejudice (especially in Polynesia and other South Pacific islands) that prohibits the use or mention of something because of its sacred nature
   同義詞：tabu
2. an inhibition or ban resulting from social custom or emotional aversion
   同義詞：tabu

動詞 taboo:

1. declare as sacred and forbidden

形容詞 taboo:

1. excluded from use or mention
   同義詞：forbidden, out, prohibited, proscribed, tabu, verboten
2. forbidden to profane use especially in South Pacific islands
   同義詞：tabu

1. Questions and problems that were once taboo are now discussed openly.
   一度視為犯忌的許多問題現在可以公開談論了。
2. Any mention of politics is taboo in his house.
   在他家里一提政治就犯忌。
3. There's a taboo on smoking in this office.
   在這個辦公室里一向是都不吸煙的。
4. Sex is no longer the taboo subject it used to be.
   現在不再像過去那樣把性的問題視為禁區(qū)。