1. You can ask authors if they will write a book for you for free, but most authors will stand firm and say no.2. In today's world it's easy to be pressured to become superstitious, but we need to stand firm in our position as a Christian and avoid superstition.3. We need to be resolute in pursuing spiritual growth.4. Jack is determined to go to college.5. We need to make our position clear to those who do not believe in creationism. Do not give up your position.
 stand firm adamant steadfast resolute determined「我們的立場堅定要堅定」可說 We need to stand firm in our position. 這是最標準的說法。
Many people in third world countries are living in usanitary conditions.