惊惶失措

see 驚慌失措|惊慌失措[jing1 huang1 shi1 cuo4]

to startle / to be frightened / to be scared / alarm

panic-stricken

frightened

to lose / to miss / to fail

to be at a loss

to handle / to manage / to put in order / to arrange / to administer / to execute / to take action on / to plan