约 [約] yuē to make an appointmentto inviteapproximatelypacttreatyto economizeto restrictto reduce (a fraction)concise Example sentences 他朋友约我一起去爬山。 tā péngyou yuē wǒ yīqǐ qù páshān. His friend asked me to go mountain climbing together 老师约我们下课一起去吃饭。 lǎoshī yuē wǒmen xiàkè yīqǐ qù chīfàn. The teacher asked us to eat a meal after class