zhàn jīng
to tremble
to be on guard
jīng jì xié lì kāi fā jī gòu
Organization for Economic Cooperation and Development, OECD
also written 經濟合作與發展組織|经济合作与发展组织[Jīng jì hé zùo yǔ fā zhǎn zǔ zhī]
zhàn jìng
a plank road (built on trestles across the face of a cliff)