求翻译：四是语言要含蓄、机智、幽默。尤其是当遇到难以回 答的问题时，机智、幽默的语言会显示自己的聪明智慧，有助于 化险为夷，并给人以良好的印象。是什么意思？

Fourth, the language to subtle, witty, humorous. Especially when faced with difficult question to answer, the wit, humor, language will show their wisdom to help saved the day, and gives a good impression.

4 is the language to be subtle, witty, humorous. In particular, it is difficult to answer when faced with the question of language, the clever humor, will show their intelligence and wisdom, and help to overcome them, and gives a good impression.

Four is the language must contain, be quick-witted, is humorous.When when in particular meets the question which replied with difficulty, quick-witted, the humorous language can demonstrate own intelligent wisdom, are helpful in turns danger into safety, and gives the human by the good impression.

Four is a language to be subtle, witty, humorous. Especially when confronted with a difficult question to answer, witty, humorous language will display their wisdom and help saved, and give a good impression.

Fourth, the language should be implicit, quick-witted, humorous. Especially when meeting the question difficult to answer, the quick-witted, humorous language will reveal one's own clever intelligence, contribute to turning danger into safety, and leave the good impression on somebody.