食sik6水seoi2深sam1

English

1. making excessive profits (slang)
2. (of vessels) having a deep draught (distance between the waterline and the bottom of the hull) ----
3. commonly used figuratively to refer to shops or middlemen making an unreasonably high profit

粵語 — Cantonese

1. 指船喺水底嘅部份好深
2. 引伸指舖頭或者中間人賺嘅差額好多；謀取暴利；係歇後語「航空母艦」嘅後半部

Examples

• 基金經理食水好深㗎，我啲強積金賺埋都唔夠蝕管理費！

  Fund managers are bloodsucking leeches. My MPF yields less than enough to cover their administration fees!

• 佢哋食水好深㗎，一條手鍊成本先至嗰幾十蚊，但係就賣到千幾蚊一條。

  They make a huge profit margin. A bracelet costs well under a hundred for them, but they sell them up to over a thousand dollars each.