跟不上

gēnbushàng

跟不上 — gēnbushàng

  1. not able to keep up with; unable to keep pace (physically or figuratively)

    他跑得太慢,跟不上我们。 tā pǎo dé tàimàn gēnbùshàng wǒmen — He runs too slowly and can't keep up with us.