1.  strengthen
2.  reinforce

• 1. 严加: Tight | to take more rigorous | to increase vigilance
• 2. 严加约束: keep a tight rein on
• 3. 严加盘问: grill

更多释义

• 1.政府已对这些细节严加保密。
  The government has thrown a blanket of secrecy over the details.
  dict.yoduao.com
• 2.捐赠人的身份是一个严加保守的秘密。
  The donor's identity is a close secret.
  dict.yoduao.com
• 3.那些孩子得严加管教。
  Those children need a firm hand to make them behave.
  dict.yoduao.com

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