DICT.TW Dictionary Taiwan

 tell on
 使疲憊不堪;告發

 tell on
      v 1: give away information about somebody; "He told on his
           classmate who had cheated on the exam" [syn: denounce,
            betray, give away, rat, grass, shit, shop,
           snitch, stag]
      2: produce an affect or strain on somebody; "Each step told on
         his tired legs"