trail
behind
in arrear of
take the dust of
got behind with
遠遠落後於
lag far behind
在某方面落後於某人。
Fall behind sb in sth.
她落後於她的同班同學。
She trailed her classmates.
落後於歐洲的國家
behind European nations
我的思想老落後於現實。
My thinking always lags behind reality
遠遠落後於其他國家
Lag far behind other countries
這種書落後於時代了。
Such books are behind the times.
他的學習落後於班裏其他人。
His study has dragged behind that of the other students in his class.