let alone

"It's shocking that not a single water executive faced a fine, let alone a prison sentence, despite widespread law-breaking," he told the BBC's Today programme.

Separately, Foreign Ministry spokesman Guo Jiakun said China and the US had "not conducted consultations or negotiations on tariffs, let alone reached an agreement".

That’s layering speculation on speculation, as it’s hard enough to predict which player is going where, let alone forecasting trades.

Many vehicles on the road are old and missing basic safety features like seatbelts - let alone airbags.

If they play like that, they will win - but you are never quite sure what you are going to get from them in each half at the moment, let alone game to game.