Shorting cannot be done blindly; the key is to wait for "bounce confirmation"! In a bearish structure, there are three reliable shorting signals:

Previous high resistance: The price rebounds to the vicinity of the previous high, fails to rise further, and starts to consolidate or even breaks down with increased volume—this is when you can consider shorting one lot. This indicates that the bulls' attempt to counterattack has failed, and the bears have established a defense here.

Secondary bounce fails to exceed the high: After the first wave of decline, there is another bounce, but this time it doesn't even reach the previous high, and the peak is lower, with little volume. This is a typical weak rebound, making it comfortable to enter a short position at this time.

Previous low broken + bounce confirmation: The previous low has been breached, confirming that the trend is under the bears' control. After it breaks down, a bounce back is the last opportunity to short in the direction of the trend, with a very clear stop-loss position.

The trend structure is symmetrical; shorting is just the opposite of going long, with exactly the same thought process.