Surely the suspicion in the atmosphere must warn him that he was already a marked man.
气氛中的怀疑肯定会警告他, 他已经是一个有标记的人了。
2018 世界杯
He has been less effective with the ball at feet this season, but he is no longer such an unknown threat; he has become a marked man, doubled up on by defenders, which means this is understandable.