中止
to cease; to suspend; to break off; to stop; to discontinue
终止
to stop; to terminate (law)
中值定理
mean value theorem (in calculus)
众志成城
unity of will is an impregnable stronghold (idiom)
瓮中之鳖
lit. like a turtle in a jar; to be trapped (idiom)
重中之重
of the utmost importance; of highest priority
风中之烛
lit. candle in the wind (idiom); fig. (of sb's life) feeble; hanging on a thread