He's at a disadvantage being so shy. 过于害羞使他处于劣势。 
 This new law places/puts poorer families at a distinct disadvantage. 这项新法律使比较贫困的家庭处于明显不利的境地。 
 Critics of the proposed system say that it puts students from low-income families at a disadvantage. 
Insistence on full-time contracts inevitably places a lot of women at a disadvantage.
 We aim to provide assistance to social groups who, historically, have been at a disadvantage in the housing market.
 See also: disadvantage noun