(as) safe as the bank

• 非常安全；十分稳重

(as) safe as the bank的用法和样例：

例句

1. I keep these cards in a very safe place.
   我把卡片放在一个非常安全的地方。
2. A good balancing system also provides a very safe charging and discharging platform, which is critical when handling LiPo batteries.
   一个良好的平衡系统还提供了一个非常安全的充放电平台，这是关键的时候处理脂电池。