貯蓄銀行: a savings bank, a thrift

not always, not necessarily / not completely / not exactly, not strictly speaking, not technically

篳篥: a cylindrical double reed wind instrument used in the gagaku music of Japan

(onomatopoeia) with a chirping sound

忠実: loyalty, fidelity

窮地: predicament / 旧知: old friend / 九地: low land / 旧地: former property

廉恥心: sense of honor

破廉恥: shameless

破廉恥: shamelessness

窒素: nitrogen