false move
US /fɔls muːv/
UK /fɔls muːv/

1.
错棋, 错误举动, 失策
a mistake or an unwise action that could lead to problems or a disadvantage
:
•
One false move and the whole plan could collapse.
一步错棋,整个计划就可能崩溃。
•
The police warned him that any false move would result in immediate action.
警方警告他,任何错误举动都将导致立即采取行动。