逆 - inverted, reverse, opposite

counterattack

adverse circumstances; unfortunate situation; adversity

reversal (of a situation); turnaround; turnabout; turning the tables; sudden change; comeback

inverted; upside down; reversed; back to front

to go against; to oppose; to disobey; to defy

headwind; adverse wind

retrogression; reversal; relapse; doubling back; backtracking

opposite effect; adverse effect; backfiring

handstand; headstand

underhand grip (e.g. in gymnastics, etc.)

reverse; opposite

paradox