出于 (chū yú): Due to (Verb) — Meaning & Stroke Order

He did this entirely due to his concern for you.

He did this purely out of goodwill, without any other purpose.

His motive for being so generous was not purely out of goodwill.

His motives were not that lofty, but rather stemmed from selfishness.

For security reasons, the specific details have not been made public yet.

His actions were not out of bravery, but out of necessity.

His congratulations were not heartfelt but rather a matter of social etiquette.

He joined this project purely out of a love for science.

He didn't genuinely appreciate it; he only came to show support out of social obligation.