在英语中,如果你想表达“我剪头发了”,正确的说法是:
I need to get a haircut. (我必须去剪个头发。)
I've had my hair cut. (我已经剪了头发。)
I'll get my hair cut. (我将要剪头发。)
如果你需要别人为你剪头发,可以说:
I would like to have my hair trimmed. (我想修剪一下我的头发。)
I need someone to cut my hair. (我需要别人帮我剪头发。)
希望这些表达对你有帮助!