◎ 衰老 shuāilǎo[old and feeble;decrepit;senile] 年老而精力、体质衰弱-----------------国语辞典:年老、精力变微。《史记.卷一二九.货殖传》:「后年衰老而听子孙,子孙修业而息之,遂至巨万。」《三国演义.第一○六回》:「吾今衰老病笃,死在旦夕矣。」近朽迈反强壮英语 to age, to deteriorate with age, old and weak德语 altern, Altersschwäche (S)法语 vieillissement
◎ 衰退 shuāituì[fail;decline] 衰弱减退;趋向衰落;衰弱经济衰退-----------------国语辞典:逐渐衰弱。如:「婆婆年纪大了,视力也衰退了。」近阑珊反鼎盛,旺盛经济景气循环中所得、产出与就业往下降,而资本投资与消费显著减少的现象。如:「经济衰退」。英语 to decline, to fall, to drop, to falter, a decline, recession (in economics)德语 Rezession (S), schwächer werden; schwinden (S), Schwund (S)法语 s'affaiblir, décliner
◎ 衰落 shuāiluò[decline;be on the wane;go downhill] 由兴盛转向没落;由强大转为弱小家道衰落唐末诗风衰落-----------------国语辞典:没落。《后汉书.卷三五.郑玄传》:「宿素衰落,仍有失误。」近凋零,失败反蓬勃,发达,繁荣,崛起,强盛,兴旺,昌盛,旺盛英语 to fall, to drop, to decline, to deteriorate, to go downhill德语 verfallen, spalten , Niedergang (S), Schwund (S), abwärtsgehen (V)法语 décliner, dépérir, tomber en décadence