小心提防.
例如
Watch your back when you're walking around,because this is a tough neighbourhood.
又比如:
Would you please watch my back as I go along the way?Sound an alarm to me if you notice any sign of danger.
小心提防.
例如
Watch your back when you're walking around,because this is a tough neighbourhood.
又比如:
Would you please watch my back as I go along the way?Sound an alarm to me if you notice any sign of danger.