Please do not open any suspicious email attachments and report them to the IT department.

請勿開啟任何可疑的電子郵件附件，並向資訊部門回報。

The bank froze the account after noticing several suspicious transactions from overseas.

銀行在發現數筆來自海外的可疑交易後，凍結了該帳戶。

Customs officers held the shipment because the package looked suspicious during inspection.

海關人員因為包裹在檢查時看起來很可疑，而扣留了這批貨物。