强词夺理 Argue in a self-serving way
Explanation
强词夺理是指用强词，用不讲道理的话来辩解，使自己看起来好像有道理一样。 这种行为通常是为了掩盖自己的错误，或为了达到自己的目的而不择手段。
To argue in a self-serving way is to use strong words, to use unreasonable words to argue, making oneself appear to be reasonable. This behavior is usually to cover up one's own mistakes, or to achieve one's own goals by any means necessary.
Origin Story
战国时期，宋国大夫高阳应最喜欢强辩，而且强词夺理一定要赢。一次高阳应要盖一幢房子，有经验的木匠见湿木料去做梁柱，用不了多久就会造成房屋倒塌。高阳应则强行说湿木盖房有好处，就安排人盖，结果一年后该房屋就倒塌了。
During the Warring States period, Gao Yang, a minister of the State of Song, was known for his eloquence and his insistence on winning arguments, often using specious arguments to do so. Once, he wanted to build a house. An experienced carpenter saw that the wood for the beams and pillars was still damp, which would lead to the early collapse of the house. Gao Yang, however, argued vehemently that damp wood was advantageous for house building, and had it built that way. A year later, the house actually collapsed.
Usage
这个成语用来形容一个人在没有道理的情况下，还强词夺理，诡辩狡猾，让人厌恶。
This idiom is used to describe a person who argues in a self-serving way without any reason, is sophistry and cunning, which makes people disgusted.
Examples
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他总是强词夺理，让人很不舒服。
tā zǒng shì qiǎng cí duó lǐ, ràng rén hěn bù shū fú.
He always argues in a self-serving way, which makes people uncomfortable.
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面对证据，他仍然强词夺理，企图蒙混过关。
miàn duì zhèng jù, tā réngrán qiǎng cí duó lǐ, qǐ tú méng hùn guò guān.
In the face of evidence, he still argues in a self-serving way, attempting to fool his way out of the situation.