pitch应该是音调、音量的计量单位
例句
1、
Tension has reached such a pitch that the armed forces say soldiers may have to use their weapons to defend themselves against local people.
紧张关系已达白热化程度,武装部队说士兵有可能不得不使用武器保护自己不受当地民众的伤害。
2、
Disagreement reached such a pitch that we thought a fight would break out.
意见分歧大到我们以为会打起来的程度。