海底针 meaning in Chinese

needle at sea bottom
needle at the bottom of sea
needle in a haystack

It ' s very difficult trying to read the situation and all the while
女人心，海底针，很难去觉察你们的进展，
Lower your right hand , then raise it up to the side of your right ear and , with the body turning to 3 oclock , thrust it down in front of your body , with the palm facing left and the fingers pointing down . make an arc with your left hand forward and down to the side of your left hip , palm facing down and fingers pointing forward , look down
海底针：重心前移，右脚向前跟半步，重心落于右脚上，身体向右转，左手划一个平圆，右手在身体右侧划一个圆，沿耳际向前下插掌，同时左脚向前上半步，成虚步，眼看前下方。