heard

Children should be seen and not heard.

something that you say which means that children should be quiet. I can't stand all that shouting. Children should be seen and not heard, in my opinion.

See also: hear, seen, should

have heard/seen the last of someone/something

if you have heard the last of someone or something unpleasant, they will not cause you any more problems in the future. It's a worrying problem and I dare say we haven't heard the last of it. (often negative) He's a very unpleasant man. I sincerely hope we've seen the last of him.

See also: hear, last, seen

not know the half of it (informal, informal)

if someone does not know the half of it, they know that a situation is bad but they do not know how bad it is. Tom's not happy with the situation and he doesn't even know the half of it! 'I hear you're having a few problems with the new guy'. 'A few problems? You haven't heard the half of it!'

See also: half, know

You could have heard a pin drop.

something that you say in order to describe a situation where there was complete silence, especially because people were very interested or very surprised by what was happening. Margaret's ex-husband turned up at the wedding. Honestly, you could have heard a pin drop.

See also: could, drop, hear, pin