Use "trigger off" in a sentence

1. substances and these substances can trigger off a

2. headache or in other words the causes that trigger off the headache

3. The Patient was given his slightly-blackened and dented cell-phone (now completely flat) and wallet by Rafael – the sight of which seemed to trigger off something in the Patient’s head…

4. The gun is automatic so press the trigger and it fires, you let the trigger off and it stops

5. Whether you trigger off such a bid or it is activated by an offer,

6. hormones to maintain the pregnancy, and then to trigger off the

7. to trigger off the birth process through labour in the