I was reading about 《三只半虾》 齐白石, 以画虾享誉画坛。
三只虾:3 prawns
半虾:half a prawn
一半只虾: half a prawn
三只半虾:3 and 1 half prawns?? or 3 half prawns = 1 and 1 half prawns??
*三半只虾???= ?
三只虾:3 prawns
good
半虾:half a prawn
Wrong. It should be 半只虾
一半只虾: half a prawn
Wrong. See above.
三只半虾:3 and 1 half prawns?? or 3 half prawns = 1 and 1 half prawns??
Three and a half prawns.
Chinese grammar wiki has a page about Expressing half with ban.
The structure "Number + Measure Word + 半 + Noun" means "Number and a half nouns"
三只半 = 三只 + 半只 = 3.5只
三半只虾 Is wrong, but you can say 三个半只虾, which means there are 3 pieces, and each piece is a half prawn. It doesn't equal to 1.5 只虾 (一只半虾), because there is not a complete one.
3.5只。
‘半’ following a measure word means 'and a half' (e.g. 两年半: two years and a half; 三只半虾:three prawns and a half), while followed by a mearsure word it means 'half a' (e.g. 半只虾: half a prawn).