for fear ofpreppreposition: Relates noun or pronoun to another element of sentence--for example, "a picture of John," "She walked from my house to yours."
(because one is frightened by the prospect of)
生怕 shēng pà
以免 yǐ miǎn
以免 yǐ miǎn
She didn't pick up her friend's new baby for fear of dropping it.