to be on the safe side編輯正在努力提供更完整的內容，建議 20 分鐘後再回來看看to be on the safe sideto be on the safe side — 副詞副詞1. To avoid risks or potential problems1.副詞釋義為了保險起見To avoid risks or potential problems例句I'll arrive an hour early to be on the safe side.