Collins Chinese Dictionary Plus (3rd edition), 2011:
似曾相识(識) sì céng xiāngshí look familiar
- 他俩(倆)初次见(見)面,但却(卻)都有似曾相识(識)的感觉(覺)。 Tā liǎ chūcì jiànmiàn,dàn què dōu yǒu sì céng xiāngshí de gǎnjué. It was the first time the two had met, and yet they felt strangely familiar.