Te recomiendo este seguro médico porque sé que te preocupa la salud de tu familia.I recommend this health insurance because I know that you're worried about your family's health.
Sabemos que te preocupa la paz mundial, pero hay algo que puedes hacer para ayudar.We know that you worry about world peace, but there's something you can do to help.
Sé que te preocupa el futuro de Juan, pero debes confiar en que le va a ir bien.I know that Juan's future worries you, but you have to trust that he's going to be fine.