唯恐

for fear that / lest / also written 惟恐

only / alone / -ism (in Chinese, a prefix, often combined with a suffix such as 主義|主义[zhu3 yi4] or 論|论[lun4], e.g. 唯理論|唯理论[wei2 li3 lun4], rationalism)

yes

afraid / frightened / to fear

to wish for the whole world to be in chaos (idiom)