safe as houses

safe as houses
safe as houses<英> 非常安全；十分安全
- Undersea tunnels are dangerous until they are stabilized and lined, but once completed, they are safe as houses. 海底隧道在没有砌好并加固前是有危险的, 但是一旦完工, 就十分安全。
See: house

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safe as houses
safe as houses<英> (very safe) 十分安全；绝对安全
- The Government insisted that Britain's nuclear power stations are as safe as houses. 政府坚称, 英国的核电站非常安全。
See: safe