Word: 四十 (sìshí) 四十 dictionary entry sìshí forty; 40 Full dictionary entry for 四十 Example sentences using 四十 3 sentences, showing page 1 of 1. 他今年四十岁上下。 Tā jīnnián sìshí suì shàngxià. He is around forty years old this year. 他四十岁了还一事无成。 Tā sìshí suì le hái yíshìwúchéng. He's forty and still has achieved nothing. 地铁全程只要四十分钟。 Dìtiě quánchéng zhǐyào sìshí fēnzhōng. The subway takes only forty minutes for the whole journey.