Young singaporeans seem to lack the astuteness and dynamism that they possess .

本地的一般年轻人似乎就缺少了那份机灵和朝气。

Every move was made with an astuteness designed to outfox his opponents .

每一步都走得很精明，以便能以智谋战胜他的对手。

Shrewd emphasizes mental astuteness and practical understanding .

强调精明及实际理解力。