所谓 + 的 + Noun, + Clause
所谓 (suǒwèi) appears in bound clauses to introduce a concept or term being defined or questioned. It can carry a neutral explanatory meaning or convey doubt and sarcasm about the term that follows.
他所谓的惊喜,不过是请大家吃了顿饭。
Tā suǒwèi de jīngxǐ, búguò shì qǐng dàjiā chī le dùn fàn.
His so-called surprise was nothing more than treating everyone to a meal.
她终于明白了所谓的自由意味着什么。
Tā zhōngyú míngbái le suǒwèi de zìyóu yìwèizhe shénme.
She finally understood what so-called freedom really means.
他们所谓的合作根本没有任何诚意。
Tāmen suǒwèi de hézuò gēnběn méiyǒu rènhé chéngyì.
Their so-called cooperation had no sincerity whatsoever.