We can turn off the alarm clock directly by holding down the fingerprint sensor on the Huawei smartphone, if this feature is enabled.

Android 10 | EMUI 10.0
Step 1:  Open the  Settings
Step 2:  Tap on  Biometrics & password
Step 3:  Tap on  Fingerprint ID
Step 4:  Enable or disable  Stop alarms
  1. Open the Settings
  2. Tap on Biometrics & password
  3. Tap on Fingerprint ID
  4. Enable or disable Stop alarms

Huawei Instructions