積極、顧慮、斟酌

積極 Proactive

• 解釋：
  Taking action with an energetic approach to achieving goals.
  However, adding a "太" changes the meaning. "太積極" refers to behavior that exceeds an appropriate range, causing people to feel uncomfortable or stressed.
• 例句：
• 他正在積極準備考試。
  He is preparing proactively for the exam.
  
• 他的追求方式太積極了，讓我覺得很困擾。
  His approach was too aggressive, which made me uncomfortable.

顧慮 Concern

• 解釋：
  A feeling of worry or nervousness about something, or something that causes worry.
  
• 例句：
• 這個策略引起投資人的顧慮。
  The strategy raised some concern among investors.

斟酌 Consider

• 解釋：
  Take time to think about a possibility or make a decision.
• 例句：
• 這件事還要斟酌，我們改天再議。
  This matter still needs to be considered. We will discuss it another day.