足元を見るあしもとをみる慣用句ことわざto size up (e.g. customer when setting a high price)to take advantage (e.g. of a weak situation)
頭隠して尻隠さずあたまかくしてしりかくさず慣用句ことわざexposing one's weak point while attempting to protect oneselfhiding one's head without hiding one's bottom