惘然若失罔知所措
[wăng rán ruò shī wăng zhī suŏ cuò]
'Wang Ran Ruo Shi Wang Zhi Suo Cu' roughly translates to 'Lost and Bewildered, Uncertain What to Do'. This portrays a state of deep loss or helplessness and the feeling of not knowing how to respond or where to go from that emotional point.