pukka

the more expensive brands are pukka natural mineral waters.

更贵的品牌是纯天然矿泉水。

it wouldn't be considered the pukka thing to do.

被视为体面事。

Offering less pukka security is not costless.

提怎么可靠的安并非没有代价。

The first could be the case if the product you are selling to these "senior types" is quite pukka, meaning that a barrow boy isn't the right person to sell it.

如果向那些"高管"们销售的产品相当高端，那就可能属于第一种情况，就是说一个手推车货郎适合销售种产品。